Home / 1,119,088.90-1,678,633.35-371,134.90

Finding the Fourth Proportional to 1,119,088.90, 1,678,633.35 and 371,134.90

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Solution

The fourth proportional to 1,119,088.90, 1,678,633.35 and 371,134.90 is: 556,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,088.90 : 1,678,633.35 = 371,134.90 : x
  2. Step 2: Convert to fraction form
    1,119,088.90/1,678,633.35 = 371,134.90/x
  3. Step 3: Cross multiply
    1,119,088.90x = 1,678,633.35 × 371,134.90
  4. Step 4: Simplify right side
    1,119,088.90x = 622,999,420,488.92
  5. Step 5: Solve for x
    x = 622,999,420,488.92/1,119,088.90
  6. Step 6: Final answer
    x = 556,702.35

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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.