Home / 641,934.16-963,030.84-442,350.16

Finding the Fourth Proportional to 641,934.16, 963,030.84 and 442,350.16

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Solution

The fourth proportional to 641,934.16, 963,030.84 and 442,350.16 is: 663,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,934.16 : 963,030.84 = 442,350.16 : x
  2. Step 2: Convert to fraction form
    641,934.16/963,030.84 = 442,350.16/x
  3. Step 3: Cross multiply
    641,934.16x = 963,030.84 × 442,350.16
  4. Step 4: Simplify right side
    641,934.16x = 425,996,846,158.93
  5. Step 5: Solve for x
    x = 425,996,846,158.93/641,934.16
  6. Step 6: Final answer
    x = 663,614.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.