Home / 695,603.20-1,043,404.80-620,807.80

Finding the Fourth Proportional to 695,603.20, 1,043,404.80 and 620,807.80

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Solution

The fourth proportional to 695,603.20, 1,043,404.80 and 620,807.80 is: 931,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,603.20 : 1,043,404.80 = 620,807.80 : x
  2. Step 2: Convert to fraction form
    695,603.20/1,043,404.80 = 620,807.80/x
  3. Step 3: Cross multiply
    695,603.20x = 1,043,404.80 × 620,807.80
  4. Step 4: Simplify right side
    695,603.20x = 647,753,838,397.44
  5. Step 5: Solve for x
    x = 647,753,838,397.44/695,603.20
  6. Step 6: Final answer
    x = 931,211.70

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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.