Home / 1,186,010.92-1,779,020.03-287,449.17

Finding the Fourth Proportional to 1,186,010.92, 1,779,020.03 and 287,449.17

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Solution

The fourth proportional to 1,186,010.92, 1,779,020.03 and 287,449.17 is: 431,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,010.92 : 1,779,020.03 = 287,449.17 : x
  2. Step 2: Convert to fraction form
    1,186,010.92/1,779,020.03 = 287,449.17/x
  3. Step 3: Cross multiply
    1,186,010.92x = 1,779,020.03 × 287,449.17
  4. Step 4: Simplify right side
    1,186,010.92x = 511,377,831,036.88
  5. Step 5: Solve for x
    x = 511,377,831,036.88/1,186,010.92
  6. Step 6: Final answer
    x = 431,174.64

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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.