Home / 813,766.32-1,123,524.63-523,507.68

Finding the Fourth Proportional to 813,766.32, 1,123,524.63 and 523,507.68

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Solution

The fourth proportional to 813,766.32, 1,123,524.63 and 523,507.68 is: 722,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,766.32 : 1,123,524.63 = 523,507.68 : x
  2. Step 2: Convert to fraction form
    813,766.32/1,123,524.63 = 523,507.68/x
  3. Step 3: Cross multiply
    813,766.32x = 1,123,524.63 × 523,507.68
  4. Step 4: Simplify right side
    813,766.32x = 588,173,772,474.16
  5. Step 5: Solve for x
    x = 588,173,772,474.16/813,766.32
  6. Step 6: Final answer
    x = 722,779.69

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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.