Home / 947,133.06-1,307,062.89-517,441.02

Finding the Fourth Proportional to 947,133.06, 1,307,062.89 and 517,441.02

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Solution

The fourth proportional to 947,133.06, 1,307,062.89 and 517,441.02 is: 714,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,133.06 : 1,307,062.89 = 517,441.02 : x
  2. Step 2: Convert to fraction form
    947,133.06/1,307,062.89 = 517,441.02/x
  3. Step 3: Cross multiply
    947,133.06x = 1,307,062.89 × 517,441.02
  4. Step 4: Simplify right side
    947,133.06x = 676,327,955,005.75
  5. Step 5: Solve for x
    x = 676,327,955,005.75/947,133.06
  6. Step 6: Final answer
    x = 714,079.13

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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.