Home / 688,828.25-950,603.55-416,945.88

Finding the Fourth Proportional to 688,828.25, 950,603.55 and 416,945.88

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Solution

The fourth proportional to 688,828.25, 950,603.55 and 416,945.88 is: 575,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,828.25 : 950,603.55 = 416,945.88 : x
  2. Step 2: Convert to fraction form
    688,828.25/950,603.55 = 416,945.88/x
  3. Step 3: Cross multiply
    688,828.25x = 950,603.55 × 416,945.88
  4. Step 4: Simplify right side
    688,828.25x = 396,350,232,122.33
  5. Step 5: Solve for x
    x = 396,350,232,122.33/688,828.25
  6. Step 6: Final answer
    x = 575,397.76

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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.