Home / 1,044,188.15-1,567,758.45-645,607.40

Finding the Fourth Proportional to 1,044,188.15, 1,567,758.45 and 645,607.40

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Solution

The fourth proportional to 1,044,188.15, 1,567,758.45 and 645,607.40 is: 969,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,188.15 : 1,567,758.45 = 645,607.40 : x
  2. Step 2: Convert to fraction form
    1,044,188.15/1,567,758.45 = 645,607.40/x
  3. Step 3: Cross multiply
    1,044,188.15x = 1,567,758.45 × 645,607.40
  4. Step 4: Simplify right side
    1,044,188.15x = 1,012,156,456,732.53
  5. Step 5: Solve for x
    x = 1,012,156,456,732.53/1,044,188.15
  6. Step 6: Final answer
    x = 969,323.83

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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.