Home / 688,587.23-950,273.45-382,676.50

Finding the Fourth Proportional to 688,587.23, 950,273.45 and 382,676.50

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Solution

The fourth proportional to 688,587.23, 950,273.45 and 382,676.50 is: 528,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,587.23 : 950,273.45 = 382,676.50 : x
  2. Step 2: Convert to fraction form
    688,587.23/950,273.45 = 382,676.50/x
  3. Step 3: Cross multiply
    688,587.23x = 950,273.45 × 382,676.50
  4. Step 4: Simplify right side
    688,587.23x = 363,647,313,599.86
  5. Step 5: Solve for x
    x = 363,647,313,599.86/688,587.23
  6. Step 6: Final answer
    x = 528,106.39

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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.