Home / 691,217.10-1,036,670.05-247,985.10

Finding the Fourth Proportional to 691,217.10, 1,036,670.05 and 247,985.10

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Solution

The fourth proportional to 691,217.10, 1,036,670.05 and 247,985.10 is: 371,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,217.10 : 1,036,670.05 = 247,985.10 : x
  2. Step 2: Convert to fraction form
    691,217.10/1,036,670.05 = 247,985.10/x
  3. Step 3: Cross multiply
    691,217.10x = 1,036,670.05 × 247,985.10
  4. Step 4: Simplify right side
    691,217.10x = 257,078,726,016.26
  5. Step 5: Solve for x
    x = 257,078,726,016.26/691,217.10
  6. Step 6: Final answer
    x = 371,921.83

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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.