Home / 750,825.88-1,036,139.90-411,306.20

Finding the Fourth Proportional to 750,825.88, 1,036,139.90 and 411,306.20

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Solution

The fourth proportional to 750,825.88, 1,036,139.90 and 411,306.20 is: 567,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,825.88 : 1,036,139.90 = 411,306.20 : x
  2. Step 2: Convert to fraction form
    750,825.88/1,036,139.90 = 411,306.20/x
  3. Step 3: Cross multiply
    750,825.88x = 1,036,139.90 × 411,306.20
  4. Step 4: Simplify right side
    750,825.88x = 426,170,764,937.38
  5. Step 5: Solve for x
    x = 426,170,764,937.38/750,825.88
  6. Step 6: Final answer
    x = 567,602.66

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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.