Home / 736,070.39-1,015,781.40-413,777.66

Finding the Fourth Proportional to 736,070.39, 1,015,781.40 and 413,777.66

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Solution

The fourth proportional to 736,070.39, 1,015,781.40 and 413,777.66 is: 571,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,070.39 : 1,015,781.40 = 413,777.66 : x
  2. Step 2: Convert to fraction form
    736,070.39/1,015,781.40 = 413,777.66/x
  3. Step 3: Cross multiply
    736,070.39x = 1,015,781.40 × 413,777.66
  4. Step 4: Simplify right side
    736,070.39x = 420,307,648,694.64
  5. Step 5: Solve for x
    x = 420,307,648,694.64/736,070.39
  6. Step 6: Final answer
    x = 571,015.57

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Double scale
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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.