Home / 696,077.20-1,044,115.80-577,984.40

Finding the Fourth Proportional to 696,077.20, 1,044,115.80 and 577,984.40

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Solution

The fourth proportional to 696,077.20, 1,044,115.80 and 577,984.40 is: 866,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,077.20 : 1,044,115.80 = 577,984.40 : x
  2. Step 2: Convert to fraction form
    696,077.20/1,044,115.80 = 577,984.40/x
  3. Step 3: Cross multiply
    696,077.20x = 1,044,115.80 × 577,984.40
  4. Step 4: Simplify right side
    696,077.20x = 603,482,644,193.52
  5. Step 5: Solve for x
    x = 603,482,644,193.52/696,077.20
  6. Step 6: Final answer
    x = 866,976.60

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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.