Home / 657,488.20-986,232.30-341,904.10

Finding the Fourth Proportional to 657,488.20, 986,232.30 and 341,904.10

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Solution

The fourth proportional to 657,488.20, 986,232.30 and 341,904.10 is: 512,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,488.20 : 986,232.30 = 341,904.10 : x
  2. Step 2: Convert to fraction form
    657,488.20/986,232.30 = 341,904.10/x
  3. Step 3: Cross multiply
    657,488.20x = 986,232.30 × 341,904.10
  4. Step 4: Simplify right side
    657,488.20x = 337,196,866,922.43
  5. Step 5: Solve for x
    x = 337,196,866,922.43/657,488.20
  6. Step 6: Final answer
    x = 512,856.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.