Home / 1,119,063.40-1,678,595.10-277,615.15

Finding the Fourth Proportional to 1,119,063.40, 1,678,595.10 and 277,615.15

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Solution

The fourth proportional to 1,119,063.40, 1,678,595.10 and 277,615.15 is: 416,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,063.40 : 1,678,595.10 = 277,615.15 : x
  2. Step 2: Convert to fraction form
    1,119,063.40/1,678,595.10 = 277,615.15/x
  3. Step 3: Cross multiply
    1,119,063.40x = 1,678,595.10 × 277,615.15
  4. Step 4: Simplify right side
    1,119,063.40x = 466,003,430,475.77
  5. Step 5: Solve for x
    x = 466,003,430,475.77/1,119,063.40
  6. Step 6: Final answer
    x = 416,422.73

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.