Home / 686,925.26-948,070.33-381,100.16

Finding the Fourth Proportional to 686,925.26, 948,070.33 and 381,100.16

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Solution

The fourth proportional to 686,925.26, 948,070.33 and 381,100.16 is: 525,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,925.26 : 948,070.33 = 381,100.16 : x
  2. Step 2: Convert to fraction form
    686,925.26/948,070.33 = 381,100.16/x
  3. Step 3: Cross multiply
    686,925.26x = 948,070.33 × 381,100.16
  4. Step 4: Simplify right side
    686,925.26x = 361,309,755,871.68
  5. Step 5: Solve for x
    x = 361,309,755,871.68/686,925.26
  6. Step 6: Final answer
    x = 525,981.17

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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.