Home / 688,513.89-950,130.23-382,582.37

Finding the Fourth Proportional to 688,513.89, 950,130.23 and 382,582.37

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Solution

The fourth proportional to 688,513.89, 950,130.23 and 382,582.37 is: 527,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,513.89 : 950,130.23 = 382,582.37 : x
  2. Step 2: Convert to fraction form
    688,513.89/950,130.23 = 382,582.37/x
  3. Step 3: Cross multiply
    688,513.89x = 950,130.23 × 382,582.37
  4. Step 4: Simplify right side
    688,513.89x = 363,503,073,289.13
  5. Step 5: Solve for x
    x = 363,503,073,289.13/688,513.89
  6. Step 6: Final answer
    x = 527,953.14

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Double scale
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Similar ratio
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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.