Home / 443,931.18-612,627.39-242,727.18

Finding the Fourth Proportional to 443,931.18, 612,627.39 and 242,727.18

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Solution

The fourth proportional to 443,931.18, 612,627.39 and 242,727.18 is: 334,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,931.18 : 612,627.39 = 242,727.18 : x
  2. Step 2: Convert to fraction form
    443,931.18/612,627.39 = 242,727.18/x
  3. Step 3: Cross multiply
    443,931.18x = 612,627.39 × 242,727.18
  4. Step 4: Simplify right side
    443,931.18x = 148,701,318,765.46
  5. Step 5: Solve for x
    x = 148,701,318,765.46/443,931.18
  6. Step 6: Final answer
    x = 334,964.80

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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.