Home / 838,530.64-1,257,781.08-207,444.40

Finding the Fourth Proportional to 838,530.64, 1,257,781.08 and 207,444.40

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Solution

The fourth proportional to 838,530.64, 1,257,781.08 and 207,444.40 is: 311,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,530.64 : 1,257,781.08 = 207,444.40 : x
  2. Step 2: Convert to fraction form
    838,530.64/1,257,781.08 = 207,444.40/x
  3. Step 3: Cross multiply
    838,530.64x = 1,257,781.08 × 207,444.40
  4. Step 4: Simplify right side
    838,530.64x = 260,919,641,471.95
  5. Step 5: Solve for x
    x = 260,919,641,471.95/838,530.64
  6. Step 6: Final answer
    x = 311,162.92

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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.