Home / 869,617.74-1,200,244.60-564,072.78

Finding the Fourth Proportional to 869,617.74, 1,200,244.60 and 564,072.78

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Solution

The fourth proportional to 869,617.74, 1,200,244.60 and 564,072.78 is: 778,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,617.74 : 1,200,244.60 = 564,072.78 : x
  2. Step 2: Convert to fraction form
    869,617.74/1,200,244.60 = 564,072.78/x
  3. Step 3: Cross multiply
    869,617.74x = 1,200,244.60 × 564,072.78
  4. Step 4: Simplify right side
    869,617.74x = 677,025,308,201.99
  5. Step 5: Solve for x
    x = 677,025,308,201.99/869,617.74
  6. Step 6: Final answer
    x = 778,532.08

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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.