Home / 947,281.02-1,307,232.36-517,551.90

Finding the Fourth Proportional to 947,281.02, 1,307,232.36 and 517,551.90

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Solution

The fourth proportional to 947,281.02, 1,307,232.36 and 517,551.90 is: 714,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,281.02 : 1,307,232.36 = 517,551.90 : x
  2. Step 2: Convert to fraction form
    947,281.02/1,307,232.36 = 517,551.90/x
  3. Step 3: Cross multiply
    947,281.02x = 1,307,232.36 × 517,551.90
  4. Step 4: Simplify right side
    947,281.02x = 676,560,591,659.48
  5. Step 5: Solve for x
    x = 676,560,591,659.48/947,281.02
  6. Step 6: Final answer
    x = 714,213.18

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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.