Home / 688,565.90-950,195.67-382,661.30

Finding the Fourth Proportional to 688,565.90, 950,195.67 and 382,661.30

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Solution

The fourth proportional to 688,565.90, 950,195.67 and 382,661.30 is: 528,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,565.90 : 950,195.67 = 382,661.30 : x
  2. Step 2: Convert to fraction form
    688,565.90/950,195.67 = 382,661.30/x
  3. Step 3: Cross multiply
    688,565.90x = 950,195.67 × 382,661.30
  4. Step 4: Simplify right side
    688,565.90x = 363,603,110,336.57
  5. Step 5: Solve for x
    x = 363,603,110,336.57/688,565.90
  6. Step 6: Final answer
    x = 528,058.55

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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.