Home / 691,660.57-1,037,581.59-270,881.77

Finding the Fourth Proportional to 691,660.57, 1,037,581.59 and 270,881.77

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Solution

The fourth proportional to 691,660.57, 1,037,581.59 and 270,881.77 is: 406,358.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,660.57 : 1,037,581.59 = 270,881.77 : x
  2. Step 2: Convert to fraction form
    691,660.57/1,037,581.59 = 270,881.77/x
  3. Step 3: Cross multiply
    691,660.57x = 1,037,581.59 × 270,881.77
  4. Step 4: Simplify right side
    691,660.57x = 281,061,937,618.61
  5. Step 5: Solve for x
    x = 281,061,937,618.61/691,660.57
  6. Step 6: Final answer
    x = 406,358.19

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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.