Home / 763,658.28-1,053,786.60-441,389.16

Finding the Fourth Proportional to 763,658.28, 1,053,786.60 and 441,389.16

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Solution

The fourth proportional to 763,658.28, 1,053,786.60 and 441,389.16 is: 609,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,658.28 : 1,053,786.60 = 441,389.16 : x
  2. Step 2: Convert to fraction form
    763,658.28/1,053,786.60 = 441,389.16/x
  3. Step 3: Cross multiply
    763,658.28x = 1,053,786.60 × 441,389.16
  4. Step 4: Simplify right side
    763,658.28x = 465,129,982,193.26
  5. Step 5: Solve for x
    x = 465,129,982,193.26/763,658.28
  6. Step 6: Final answer
    x = 609,081.31

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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.