Home / 876,020.13-1,208,908.05-473,612.13

Finding the Fourth Proportional to 876,020.13, 1,208,908.05 and 473,612.13

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Solution

The fourth proportional to 876,020.13, 1,208,908.05 and 473,612.13 is: 653,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,020.13 : 1,208,908.05 = 473,612.13 : x
  2. Step 2: Convert to fraction form
    876,020.13/1,208,908.05 = 473,612.13/x
  3. Step 3: Cross multiply
    876,020.13x = 1,208,908.05 × 473,612.13
  4. Step 4: Simplify right side
    876,020.13x = 572,553,516,534.65
  5. Step 5: Solve for x
    x = 572,553,516,534.65/876,020.13
  6. Step 6: Final answer
    x = 653,584.89

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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.