Home / 688,566.55-950,161.33-382,623.55

Finding the Fourth Proportional to 688,566.55, 950,161.33 and 382,623.55

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Solution

The fourth proportional to 688,566.55, 950,161.33 and 382,623.55 is: 527,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,566.55 : 950,161.33 = 382,623.55 : x
  2. Step 2: Convert to fraction form
    688,566.55/950,161.33 = 382,623.55/x
  3. Step 3: Cross multiply
    688,566.55x = 950,161.33 × 382,623.55
  4. Step 4: Simplify right side
    688,566.55x = 363,554,101,157.32
  5. Step 5: Solve for x
    x = 363,554,101,157.32/688,566.55
  6. Step 6: Final answer
    x = 527,986.88

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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.