Home / 931,524.10-1,397,286.15-813,426.10

Finding the Fourth Proportional to 931,524.10, 1,397,286.15 and 813,426.10

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Solution

The fourth proportional to 931,524.10, 1,397,286.15 and 813,426.10 is: 1,220,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,524.10 : 1,397,286.15 = 813,426.10 : x
  2. Step 2: Convert to fraction form
    931,524.10/1,397,286.15 = 813,426.10/x
  3. Step 3: Cross multiply
    931,524.10x = 1,397,286.15 × 813,426.10
  4. Step 4: Simplify right side
    931,524.10x = 1,136,589,023,578.51
  5. Step 5: Solve for x
    x = 1,136,589,023,578.51/931,524.10
  6. Step 6: Final answer
    x = 1,220,139.15

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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.