Home / 947,001.16-1,306,811.64-517,275.10

Finding the Fourth Proportional to 947,001.16, 1,306,811.64 and 517,275.10

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Solution

The fourth proportional to 947,001.16, 1,306,811.64 and 517,275.10 is: 713,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,001.16 : 1,306,811.64 = 517,275.10 : x
  2. Step 2: Convert to fraction form
    947,001.16/1,306,811.64 = 517,275.10/x
  3. Step 3: Cross multiply
    947,001.16x = 1,306,811.64 × 517,275.10
  4. Step 4: Simplify right side
    947,001.16x = 675,981,121,762.16
  5. Step 5: Solve for x
    x = 675,981,121,762.16/947,001.16
  6. Step 6: Final answer
    x = 713,812.35

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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.