Home / 714,149.72-1,071,503.42-314,509.64

Finding the Fourth Proportional to 714,149.72, 1,071,503.42 and 314,509.64

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Solution

The fourth proportional to 714,149.72, 1,071,503.42 and 314,509.64 is: 471,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,149.72 : 1,071,503.42 = 314,509.64 : x
  2. Step 2: Convert to fraction form
    714,149.72/1,071,503.42 = 314,509.64/x
  3. Step 3: Cross multiply
    714,149.72x = 1,071,503.42 × 314,509.64
  4. Step 4: Simplify right side
    714,149.72x = 336,998,154,882.97
  5. Step 5: Solve for x
    x = 336,998,154,882.97/714,149.72
  6. Step 6: Final answer
    x = 471,887.26

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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.