Home / 385,968.87-532,666.58-242,851.59

Finding the Fourth Proportional to 385,968.87, 532,666.58 and 242,851.59

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Solution

The fourth proportional to 385,968.87, 532,666.58 and 242,851.59 is: 335,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,968.87 : 532,666.58 = 242,851.59 : x
  2. Step 2: Convert to fraction form
    385,968.87/532,666.58 = 242,851.59/x
  3. Step 3: Cross multiply
    385,968.87x = 532,666.58 × 242,851.59
  4. Step 4: Simplify right side
    385,968.87x = 129,358,923,836.66
  5. Step 5: Solve for x
    x = 129,358,923,836.66/385,968.87
  6. Step 6: Final answer
    x = 335,153.78

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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.