Home / 864,397.57-1,193,024.77-515,560.33

Finding the Fourth Proportional to 864,397.57, 1,193,024.77 and 515,560.33

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Solution

The fourth proportional to 864,397.57, 1,193,024.77 and 515,560.33 is: 711,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,397.57 : 1,193,024.77 = 515,560.33 : x
  2. Step 2: Convert to fraction form
    864,397.57/1,193,024.77 = 515,560.33/x
  3. Step 3: Cross multiply
    864,397.57x = 1,193,024.77 × 515,560.33
  4. Step 4: Simplify right side
    864,397.57x = 615,076,247,221.78
  5. Step 5: Solve for x
    x = 615,076,247,221.78/864,397.57
  6. Step 6: Final answer
    x = 711,566.38

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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.