Home / 817,966.14-1,128,501.09-473,614.10

Finding the Fourth Proportional to 817,966.14, 1,128,501.09 and 473,614.10

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Solution

The fourth proportional to 817,966.14, 1,128,501.09 and 473,614.10 is: 653,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,966.14 : 1,128,501.09 = 473,614.10 : x
  2. Step 2: Convert to fraction form
    817,966.14/1,128,501.09 = 473,614.10/x
  3. Step 3: Cross multiply
    817,966.14x = 1,128,501.09 × 473,614.10
  4. Step 4: Simplify right side
    817,966.14x = 534,474,025,721.30
  5. Step 5: Solve for x
    x = 534,474,025,721.30/817,966.14
  6. Step 6: Final answer
    x = 653,418.28

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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.