Home / 691,179.01-1,036,612.99-247,947.01

Finding the Fourth Proportional to 691,179.01, 1,036,612.99 and 247,947.01

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Solution

The fourth proportional to 691,179.01, 1,036,612.99 and 247,947.01 is: 371,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,179.01 : 1,036,612.99 = 247,947.01 : x
  2. Step 2: Convert to fraction form
    691,179.01/1,036,612.99 = 247,947.01/x
  3. Step 3: Cross multiply
    691,179.01x = 1,036,612.99 × 247,947.01
  4. Step 4: Simplify right side
    691,179.01x = 257,025,091,397.66
  5. Step 5: Solve for x
    x = 257,025,091,397.66/691,179.01
  6. Step 6: Final answer
    x = 371,864.72

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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.