Home / 749,878.47-1,034,832.38-410,346.75

Finding the Fourth Proportional to 749,878.47, 1,034,832.38 and 410,346.75

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Solution

The fourth proportional to 749,878.47, 1,034,832.38 and 410,346.75 is: 566,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,878.47 : 1,034,832.38 = 410,346.75 : x
  2. Step 2: Convert to fraction form
    749,878.47/1,034,832.38 = 410,346.75/x
  3. Step 3: Cross multiply
    749,878.47x = 1,034,832.38 × 410,346.75
  4. Step 4: Simplify right side
    749,878.47x = 424,640,101,876.03
  5. Step 5: Solve for x
    x = 424,640,101,876.03/749,878.47
  6. Step 6: Final answer
    x = 566,278.56

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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.