Home / 755,119.10-1,042,088.55-432,890.30

Finding the Fourth Proportional to 755,119.10, 1,042,088.55 and 432,890.30

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Solution

The fourth proportional to 755,119.10, 1,042,088.55 and 432,890.30 is: 597,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,119.10 : 1,042,088.55 = 432,890.30 : x
  2. Step 2: Convert to fraction form
    755,119.10/1,042,088.55 = 432,890.30/x
  3. Step 3: Cross multiply
    755,119.10x = 1,042,088.55 × 432,890.30
  4. Step 4: Simplify right side
    755,119.10x = 451,110,025,036.07
  5. Step 5: Solve for x
    x = 451,110,025,036.07/755,119.10
  6. Step 6: Final answer
    x = 597,402.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.