Home / 542,538.03-813,851.28-272,527.23

Finding the Fourth Proportional to 542,538.03, 813,851.28 and 272,527.23

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Solution

The fourth proportional to 542,538.03, 813,851.28 and 272,527.23 is: 408,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,538.03 : 813,851.28 = 272,527.23 : x
  2. Step 2: Convert to fraction form
    542,538.03/813,851.28 = 272,527.23/x
  3. Step 3: Cross multiply
    542,538.03x = 813,851.28 × 272,527.23
  4. Step 4: Simplify right side
    542,538.03x = 221,796,634,970.35
  5. Step 5: Solve for x
    x = 221,796,634,970.35/542,538.03
  6. Step 6: Final answer
    x = 408,813.07

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Similar ratio
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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.