Home / 869,614.74-1,200,240.45-564,069.78

Finding the Fourth Proportional to 869,614.74, 1,200,240.45 and 564,069.78

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Solution

The fourth proportional to 869,614.74, 1,200,240.45 and 564,069.78 is: 778,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,614.74 : 1,200,240.45 = 564,069.78 : x
  2. Step 2: Convert to fraction form
    869,614.74/1,200,240.45 = 564,069.78/x
  3. Step 3: Cross multiply
    869,614.74x = 1,200,240.45 × 564,069.78
  4. Step 4: Simplify right side
    869,614.74x = 677,019,366,578.60
  5. Step 5: Solve for x
    x = 677,019,366,578.60/869,614.74
  6. Step 6: Final answer
    x = 778,527.93

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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.