Home / 955,144.71-1,318,047.80-525,355.47

Finding the Fourth Proportional to 955,144.71, 1,318,047.80 and 525,355.47

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Solution

The fourth proportional to 955,144.71, 1,318,047.80 and 525,355.47 is: 724,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,144.71 : 1,318,047.80 = 525,355.47 : x
  2. Step 2: Convert to fraction form
    955,144.71/1,318,047.80 = 525,355.47/x
  3. Step 3: Cross multiply
    955,144.71x = 1,318,047.80 × 525,355.47
  4. Step 4: Simplify right side
    955,144.71x = 692,443,618,824.69
  5. Step 5: Solve for x
    x = 692,443,618,824.69/955,144.71
  6. Step 6: Final answer
    x = 724,962.00

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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.