Home / 312,823.95-431,864.55-244,696.17

Finding the Fourth Proportional to 312,823.95, 431,864.55 and 244,696.17

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Solution

The fourth proportional to 312,823.95, 431,864.55 and 244,696.17 is: 337,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,823.95 : 431,864.55 = 244,696.17 : x
  2. Step 2: Convert to fraction form
    312,823.95/431,864.55 = 244,696.17/x
  3. Step 3: Cross multiply
    312,823.95x = 431,864.55 × 244,696.17
  4. Step 4: Simplify right side
    312,823.95x = 105,675,601,343.77
  5. Step 5: Solve for x
    x = 105,675,601,343.77/312,823.95
  6. Step 6: Final answer
    x = 337,811.74

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1.5x scale

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.