Home / 866,322.45-1,299,483.68-656,370.45

Finding the Fourth Proportional to 866,322.45, 1,299,483.68 and 656,370.45

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Solution

The fourth proportional to 866,322.45, 1,299,483.68 and 656,370.45 is: 984,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,322.45 : 1,299,483.68 = 656,370.45 : x
  2. Step 2: Convert to fraction form
    866,322.45/1,299,483.68 = 656,370.45/x
  3. Step 3: Cross multiply
    866,322.45x = 1,299,483.68 × 656,370.45
  4. Step 4: Simplify right side
    866,322.45x = 852,942,684,527.40
  5. Step 5: Solve for x
    x = 852,942,684,527.40/866,322.45
  6. Step 6: Final answer
    x = 984,555.68

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Similar ratio
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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.