Home / 719,344.80-992,086.38-432,811.35

Finding the Fourth Proportional to 719,344.80, 992,086.38 and 432,811.35

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Solution

The fourth proportional to 719,344.80, 992,086.38 and 432,811.35 is: 596,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,344.80 : 992,086.38 = 432,811.35 : x
  2. Step 2: Convert to fraction form
    719,344.80/992,086.38 = 432,811.35/x
  3. Step 3: Cross multiply
    719,344.80x = 992,086.38 × 432,811.35
  4. Step 4: Simplify right side
    719,344.80x = 429,386,245,444.41
  5. Step 5: Solve for x
    x = 429,386,245,444.41/719,344.80
  6. Step 6: Final answer
    x = 596,912.98

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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.