Home / 908,737.98-1,254,007.25-500,838.56

Finding the Fourth Proportional to 908,737.98, 1,254,007.25 and 500,838.56

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Solution

The fourth proportional to 908,737.98, 1,254,007.25 and 500,838.56 is: 691,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,737.98 : 1,254,007.25 = 500,838.56 : x
  2. Step 2: Convert to fraction form
    908,737.98/1,254,007.25 = 500,838.56/x
  3. Step 3: Cross multiply
    908,737.98x = 1,254,007.25 × 500,838.56
  4. Step 4: Simplify right side
    908,737.98x = 628,055,176,545.33
  5. Step 5: Solve for x
    x = 628,055,176,545.33/908,737.98
  6. Step 6: Final answer
    x = 691,129.01

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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.