Home / 374,931.90-516,867.75-267,315.12

Finding the Fourth Proportional to 374,931.90, 516,867.75 and 267,315.12

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Solution

The fourth proportional to 374,931.90, 516,867.75 and 267,315.12 is: 368,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,931.90 : 516,867.75 = 267,315.12 : x
  2. Step 2: Convert to fraction form
    374,931.90/516,867.75 = 267,315.12/x
  3. Step 3: Cross multiply
    374,931.90x = 516,867.75 × 267,315.12
  4. Step 4: Simplify right side
    374,931.90x = 138,166,564,615.38
  5. Step 5: Solve for x
    x = 138,166,564,615.38/374,931.90
  6. Step 6: Final answer
    x = 368,511.09

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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.