Home / 719,355.80-992,101.54-432,822.36

Finding the Fourth Proportional to 719,355.80, 992,101.54 and 432,822.36

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Solution

The fourth proportional to 719,355.80, 992,101.54 and 432,822.36 is: 596,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,355.80 : 992,101.54 = 432,822.36 : x
  2. Step 2: Convert to fraction form
    719,355.80/992,101.54 = 432,822.36/x
  3. Step 3: Cross multiply
    719,355.80x = 992,101.54 × 432,822.36
  4. Step 4: Simplify right side
    719,355.80x = 429,403,729,902.43
  5. Step 5: Solve for x
    x = 429,403,729,902.43/719,355.80
  6. Step 6: Final answer
    x = 596,928.15

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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.