Home / 947,013.16-1,306,828.14-517,287.16

Finding the Fourth Proportional to 947,013.16, 1,306,828.14 and 517,287.16

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Solution

The fourth proportional to 947,013.16, 1,306,828.14 and 517,287.16 is: 713,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,013.16 : 1,306,828.14 = 517,287.16 : x
  2. Step 2: Convert to fraction form
    947,013.16/1,306,828.14 = 517,287.16/x
  3. Step 3: Cross multiply
    947,013.16x = 1,306,828.14 × 517,287.16
  4. Step 4: Simplify right side
    947,013.16x = 676,005,417,148.68
  5. Step 5: Solve for x
    x = 676,005,417,148.68/947,013.16
  6. Step 6: Final answer
    x = 713,828.96

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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.