Home / 805,225.20-1,206,455.40-383,593.20

Finding the Fourth Proportional to 805,225.20, 1,206,455.40 and 383,593.20

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Solution

The fourth proportional to 805,225.20, 1,206,455.40 and 383,593.20 is: 574,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,225.20 : 1,206,455.40 = 383,593.20 : x
  2. Step 2: Convert to fraction form
    805,225.20/1,206,455.40 = 383,593.20/x
  3. Step 3: Cross multiply
    805,225.20x = 1,206,455.40 × 383,593.20
  4. Step 4: Simplify right side
    805,225.20x = 462,788,087,543.28
  5. Step 5: Solve for x
    x = 462,788,087,543.28/805,225.20
  6. Step 6: Final answer
    x = 574,731.25

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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.