Home / 417,962.18-576,964.37-282,180.05

Finding the Fourth Proportional to 417,962.18, 576,964.37 and 282,180.05

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Solution

The fourth proportional to 417,962.18, 576,964.37 and 282,180.05 is: 389,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,962.18 : 576,964.37 = 282,180.05 : x
  2. Step 2: Convert to fraction form
    417,962.18/576,964.37 = 282,180.05/x
  3. Step 3: Cross multiply
    417,962.18x = 576,964.37 × 282,180.05
  4. Step 4: Simplify right side
    417,962.18x = 162,807,832,595.45
  5. Step 5: Solve for x
    x = 162,807,832,595.45/417,962.18
  6. Step 6: Final answer
    x = 389,527.66

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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.