Home / 676,534.16-933,541.80-374,652.56

Finding the Fourth Proportional to 676,534.16, 933,541.80 and 374,652.56

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Solution

The fourth proportional to 676,534.16, 933,541.80 and 374,652.56 is: 516,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,534.16 : 933,541.80 = 374,652.56 : x
  2. Step 2: Convert to fraction form
    676,534.16/933,541.80 = 374,652.56/x
  3. Step 3: Cross multiply
    676,534.16x = 933,541.80 × 374,652.56
  4. Step 4: Simplify right side
    676,534.16x = 349,753,825,237.01
  5. Step 5: Solve for x
    x = 349,753,825,237.01/676,534.16
  6. Step 6: Final answer
    x = 516,978.81

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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.