Home / 1,119,076.90-1,678,615.35-371,025.70

Finding the Fourth Proportional to 1,119,076.90, 1,678,615.35 and 371,025.70

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Solution

The fourth proportional to 1,119,076.90, 1,678,615.35 and 371,025.70 is: 556,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,076.90 : 1,678,615.35 = 371,025.70 : x
  2. Step 2: Convert to fraction form
    1,119,076.90/1,678,615.35 = 371,025.70/x
  3. Step 3: Cross multiply
    1,119,076.90x = 1,678,615.35 × 371,025.70
  4. Step 4: Simplify right side
    1,119,076.90x = 622,809,435,264.50
  5. Step 5: Solve for x
    x = 622,809,435,264.50/1,119,076.90
  6. Step 6: Final answer
    x = 556,538.55

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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.