Home / 869,767.20-1,304,650.80-514,598.40

Finding the Fourth Proportional to 869,767.20, 1,304,650.80 and 514,598.40

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Solution

The fourth proportional to 869,767.20, 1,304,650.80 and 514,598.40 is: 771,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,767.20 : 1,304,650.80 = 514,598.40 : x
  2. Step 2: Convert to fraction form
    869,767.20/1,304,650.80 = 514,598.40/x
  3. Step 3: Cross multiply
    869,767.20x = 1,304,650.80 × 514,598.40
  4. Step 4: Simplify right side
    869,767.20x = 671,371,214,238.72
  5. Step 5: Solve for x
    x = 671,371,214,238.72/869,767.20
  6. Step 6: Final answer
    x = 771,897.60

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Similar ratio
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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.