Home / 443,441.28-611,948.98-242,237.28

Finding the Fourth Proportional to 443,441.28, 611,948.98 and 242,237.28

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Solution

The fourth proportional to 443,441.28, 611,948.98 and 242,237.28 is: 334,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,441.28 : 611,948.98 = 242,237.28 : x
  2. Step 2: Convert to fraction form
    443,441.28/611,948.98 = 242,237.28/x
  3. Step 3: Cross multiply
    443,441.28x = 611,948.98 × 242,237.28
  4. Step 4: Simplify right side
    443,441.28x = 148,236,856,413.97
  5. Step 5: Solve for x
    x = 148,236,856,413.97/443,441.28
  6. Step 6: Final answer
    x = 334,287.45

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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.