Home / 1,067,111.10-1,600,119.45-319,059.90

Finding the Fourth Proportional to 1,067,111.10, 1,600,119.45 and 319,059.90

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Solution

The fourth proportional to 1,067,111.10, 1,600,119.45 and 319,059.90 is: 478,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,111.10 : 1,600,119.45 = 319,059.90 : x
  2. Step 2: Convert to fraction form
    1,067,111.10/1,600,119.45 = 319,059.90/x
  3. Step 3: Cross multiply
    1,067,111.10x = 1,600,119.45 × 319,059.90
  4. Step 4: Simplify right side
    1,067,111.10x = 510,533,951,705.06
  5. Step 5: Solve for x
    x = 510,533,951,705.06/1,067,111.10
  6. Step 6: Final answer
    x = 478,426.24

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Double scale
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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.