Home / 564,947.53-847,422.66-138,485.26

Finding the Fourth Proportional to 564,947.53, 847,422.66 and 138,485.26

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Solution

The fourth proportional to 564,947.53, 847,422.66 and 138,485.26 is: 207,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,947.53 : 847,422.66 = 138,485.26 : x
  2. Step 2: Convert to fraction form
    564,947.53/847,422.66 = 138,485.26/x
  3. Step 3: Cross multiply
    564,947.53x = 847,422.66 × 138,485.26
  4. Step 4: Simplify right side
    564,947.53x = 117,355,547,399.99
  5. Step 5: Solve for x
    x = 117,355,547,399.99/564,947.53
  6. Step 6: Final answer
    x = 207,728.22

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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.