Home / 700,114.08-966,176.80-428,177.04

Finding the Fourth Proportional to 700,114.08, 966,176.80 and 428,177.04

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Solution

The fourth proportional to 700,114.08, 966,176.80 and 428,177.04 is: 590,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,114.08 : 966,176.80 = 428,177.04 : x
  2. Step 2: Convert to fraction form
    700,114.08/966,176.80 = 428,177.04/x
  3. Step 3: Cross multiply
    700,114.08x = 966,176.80 × 428,177.04
  4. Step 4: Simplify right side
    700,114.08x = 413,694,722,340.67
  5. Step 5: Solve for x
    x = 413,694,722,340.67/700,114.08
  6. Step 6: Final answer
    x = 590,896.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.