Home / 417,962.43-576,964.72-282,180.30

Finding the Fourth Proportional to 417,962.43, 576,964.72 and 282,180.30

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Solution

The fourth proportional to 417,962.43, 576,964.72 and 282,180.30 is: 389,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,962.43 : 576,964.72 = 282,180.30 : x
  2. Step 2: Convert to fraction form
    417,962.43/576,964.72 = 282,180.30/x
  3. Step 3: Cross multiply
    417,962.43x = 576,964.72 × 282,180.30
  4. Step 4: Simplify right side
    417,962.43x = 162,808,077,779.02
  5. Step 5: Solve for x
    x = 162,808,077,779.02/417,962.43
  6. Step 6: Final answer
    x = 389,528.02

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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.