Home / 749,876.97-1,034,830.31-410,345.25

Finding the Fourth Proportional to 749,876.97, 1,034,830.31 and 410,345.25

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Solution

The fourth proportional to 749,876.97, 1,034,830.31 and 410,345.25 is: 566,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,876.97 : 1,034,830.31 = 410,345.25 : x
  2. Step 2: Convert to fraction form
    749,876.97/1,034,830.31 = 410,345.25/x
  3. Step 3: Cross multiply
    749,876.97x = 1,034,830.31 × 410,345.25
  4. Step 4: Simplify right side
    749,876.97x = 424,637,700,212.80
  5. Step 5: Solve for x
    x = 424,637,700,212.80/749,876.97
  6. Step 6: Final answer
    x = 566,276.49

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Double scale
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Similar ratio
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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.