Home / 691,981.27-1,038,381.83-292,600.15

Finding the Fourth Proportional to 691,981.27, 1,038,381.83 and 292,600.15

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Solution

The fourth proportional to 691,981.27, 1,038,381.83 and 292,600.15 is: 439,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,981.27 : 1,038,381.83 = 292,600.15 : x
  2. Step 2: Convert to fraction form
    691,981.27/1,038,381.83 = 292,600.15/x
  3. Step 3: Cross multiply
    691,981.27x = 1,038,381.83 × 292,600.15
  4. Step 4: Simplify right side
    691,981.27x = 303,830,679,215.28
  5. Step 5: Solve for x
    x = 303,830,679,215.28/691,981.27
  6. Step 6: Final answer
    x = 439,073.56

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1.5x scale

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.