Home / 374,864.19-516,774.53-267,247.40

Finding the Fourth Proportional to 374,864.19, 516,774.53 and 267,247.40

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Solution

The fourth proportional to 374,864.19, 516,774.53 and 267,247.40 is: 368,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,864.19 : 516,774.53 = 267,247.40 : x
  2. Step 2: Convert to fraction form
    374,864.19/516,774.53 = 267,247.40/x
  3. Step 3: Cross multiply
    374,864.19x = 516,774.53 × 267,247.40
  4. Step 4: Simplify right side
    374,864.19x = 138,106,645,608.61
  5. Step 5: Solve for x
    x = 138,106,645,608.61/374,864.19
  6. Step 6: Final answer
    x = 368,417.81

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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.