Home / 826,366.35-1,140,442.05-458,862.47

Finding the Fourth Proportional to 826,366.35, 1,140,442.05 and 458,862.47

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Solution

The fourth proportional to 826,366.35, 1,140,442.05 and 458,862.47 is: 633,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,366.35 : 1,140,442.05 = 458,862.47 : x
  2. Step 2: Convert to fraction form
    826,366.35/1,140,442.05 = 458,862.47/x
  3. Step 3: Cross multiply
    826,366.35x = 1,140,442.05 × 458,862.47
  4. Step 4: Simplify right side
    826,366.35x = 523,306,055,954.86
  5. Step 5: Solve for x
    x = 523,306,055,954.86/826,366.35
  6. Step 6: Final answer
    x = 633,261.57

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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.