Home / 688,001.01-949,464.99-382,082.22

Finding the Fourth Proportional to 688,001.01, 949,464.99 and 382,082.22

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Solution

The fourth proportional to 688,001.01, 949,464.99 and 382,082.22 is: 527,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,001.01 : 949,464.99 = 382,082.22 : x
  2. Step 2: Convert to fraction form
    688,001.01/949,464.99 = 382,082.22/x
  3. Step 3: Cross multiply
    688,001.01x = 949,464.99 × 382,082.22
  4. Step 4: Simplify right side
    688,001.01x = 362,773,691,191.48
  5. Step 5: Solve for x
    x = 362,773,691,191.48/688,001.01
  6. Step 6: Final answer
    x = 527,286.57

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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.