Home / 931,614.68-1,285,557.45-523,651.70

Finding the Fourth Proportional to 931,614.68, 1,285,557.45 and 523,651.70

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Solution

The fourth proportional to 931,614.68, 1,285,557.45 and 523,651.70 is: 722,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,614.68 : 1,285,557.45 = 523,651.70 : x
  2. Step 2: Convert to fraction form
    931,614.68/1,285,557.45 = 523,651.70/x
  3. Step 3: Cross multiply
    931,614.68x = 1,285,557.45 × 523,651.70
  4. Step 4: Simplify right side
    931,614.68x = 673,184,344,140.17
  5. Step 5: Solve for x
    x = 673,184,344,140.17/931,614.68
  6. Step 6: Final answer
    x = 722,599.55

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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.