Home / 719,354.80-992,100.16-432,821.36

Finding the Fourth Proportional to 719,354.80, 992,100.16 and 432,821.36

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Solution

The fourth proportional to 719,354.80, 992,100.16 and 432,821.36 is: 596,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,354.80 : 992,100.16 = 432,821.36 : x
  2. Step 2: Convert to fraction form
    719,354.80/992,100.16 = 432,821.36/x
  3. Step 3: Cross multiply
    719,354.80x = 992,100.16 × 432,821.36
  4. Step 4: Simplify right side
    719,354.80x = 429,402,140,507.42
  5. Step 5: Solve for x
    x = 429,402,140,507.42/719,354.80
  6. Step 6: Final answer
    x = 596,926.77

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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.