Home / 1,125,079.40-1,687,619.10-337,111.40

Finding the Fourth Proportional to 1,125,079.40, 1,687,619.10 and 337,111.40

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Solution

The fourth proportional to 1,125,079.40, 1,687,619.10 and 337,111.40 is: 505,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,079.40 : 1,687,619.10 = 337,111.40 : x
  2. Step 2: Convert to fraction form
    1,125,079.40/1,687,619.10 = 337,111.40/x
  3. Step 3: Cross multiply
    1,125,079.40x = 1,687,619.10 × 337,111.40
  4. Step 4: Simplify right side
    1,125,079.40x = 568,915,637,467.74
  5. Step 5: Solve for x
    x = 568,915,637,467.74/1,125,079.40
  6. Step 6: Final answer
    x = 505,667.10

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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.