Home / 736,173.72-1,015,862.40-413,821.44

Finding the Fourth Proportional to 736,173.72, 1,015,862.40 and 413,821.44

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Solution

The fourth proportional to 736,173.72, 1,015,862.40 and 413,821.44 is: 571,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,173.72 : 1,015,862.40 = 413,821.44 : x
  2. Step 2: Convert to fraction form
    736,173.72/1,015,862.40 = 413,821.44/x
  3. Step 3: Cross multiply
    736,173.72x = 1,015,862.40 × 413,821.44
  4. Step 4: Simplify right side
    736,173.72x = 420,385,641,209.86
  5. Step 5: Solve for x
    x = 420,385,641,209.86/736,173.72
  6. Step 6: Final answer
    x = 571,041.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.