Home / 448,486.10-619,060.77-267,254.87

Finding the Fourth Proportional to 448,486.10, 619,060.77 and 267,254.87

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Solution

The fourth proportional to 448,486.10, 619,060.77 and 267,254.87 is: 368,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,486.10 : 619,060.77 = 267,254.87 : x
  2. Step 2: Convert to fraction form
    448,486.10/619,060.77 = 267,254.87/x
  3. Step 3: Cross multiply
    448,486.10x = 619,060.77 × 267,254.87
  4. Step 4: Simplify right side
    448,486.10x = 165,447,002,513.15
  5. Step 5: Solve for x
    x = 165,447,002,513.15/448,486.10
  6. Step 6: Final answer
    x = 368,901.07

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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.