Home / 688,514.65-950,131.25-382,583.11

Finding the Fourth Proportional to 688,514.65, 950,131.25 and 382,583.11

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Solution

The fourth proportional to 688,514.65, 950,131.25 and 382,583.11 is: 527,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,514.65 : 950,131.25 = 382,583.11 : x
  2. Step 2: Convert to fraction form
    688,514.65/950,131.25 = 382,583.11/x
  3. Step 3: Cross multiply
    688,514.65x = 950,131.25 × 382,583.11
  4. Step 4: Simplify right side
    688,514.65x = 363,504,168,533.19
  5. Step 5: Solve for x
    x = 363,504,168,533.19/688,514.65
  6. Step 6: Final answer
    x = 527,954.15

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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.