Home / 385,052.20-577,578.30-291,740.20

Finding the Fourth Proportional to 385,052.20, 577,578.30 and 291,740.20

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Solution

The fourth proportional to 385,052.20, 577,578.30 and 291,740.20 is: 437,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,052.20 : 577,578.30 = 291,740.20 : x
  2. Step 2: Convert to fraction form
    385,052.20/577,578.30 = 291,740.20/x
  3. Step 3: Cross multiply
    385,052.20x = 577,578.30 × 291,740.20
  4. Step 4: Simplify right side
    385,052.20x = 168,502,808,757.66
  5. Step 5: Solve for x
    x = 168,502,808,757.66/385,052.20
  6. Step 6: Final answer
    x = 437,610.30

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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.