Home / 1,132,658.10-1,698,987.15-628,773.30

Finding the Fourth Proportional to 1,132,658.10, 1,698,987.15 and 628,773.30

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Solution

The fourth proportional to 1,132,658.10, 1,698,987.15 and 628,773.30 is: 943,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,658.10 : 1,698,987.15 = 628,773.30 : x
  2. Step 2: Convert to fraction form
    1,132,658.10/1,698,987.15 = 628,773.30/x
  3. Step 3: Cross multiply
    1,132,658.10x = 1,698,987.15 × 628,773.30
  4. Step 4: Simplify right side
    1,132,658.10x = 1,068,277,756,963.10
  5. Step 5: Solve for x
    x = 1,068,277,756,963.10/1,132,658.10
  6. Step 6: Final answer
    x = 943,159.95

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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.