Home / 641,152.06-960,464.27-521,344.24

Finding the Fourth Proportional to 641,152.06, 960,464.27 and 521,344.24

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Solution

The fourth proportional to 641,152.06, 960,464.27 and 521,344.24 is: 780,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,152.06 : 960,464.27 = 521,344.24 : x
  2. Step 2: Convert to fraction form
    641,152.06/960,464.27 = 521,344.24/x
  3. Step 3: Cross multiply
    641,152.06x = 960,464.27 × 521,344.24
  4. Step 4: Simplify right side
    641,152.06x = 500,732,512,283.58
  5. Step 5: Solve for x
    x = 500,732,512,283.58/641,152.06
  6. Step 6: Final answer
    x = 780,988.70

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1.5x scale

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.