Home / 1,112,312.72-1,534,176.24-730,200.08

Finding the Fourth Proportional to 1,112,312.72, 1,534,176.24 and 730,200.08

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Solution

The fourth proportional to 1,112,312.72, 1,534,176.24 and 730,200.08 is: 1,007,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,312.72 : 1,534,176.24 = 730,200.08 : x
  2. Step 2: Convert to fraction form
    1,112,312.72/1,534,176.24 = 730,200.08/x
  3. Step 3: Cross multiply
    1,112,312.72x = 1,534,176.24 × 730,200.08
  4. Step 4: Simplify right side
    1,112,312.72x = 1,120,255,613,182.10
  5. Step 5: Solve for x
    x = 1,120,255,613,182.10/1,112,312.72
  6. Step 6: Final answer
    x = 1,007,140.88

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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.