Home / 587,786.28-811,003.14-372,848.28

Finding the Fourth Proportional to 587,786.28, 811,003.14 and 372,848.28

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Solution

The fourth proportional to 587,786.28, 811,003.14 and 372,848.28 is: 514,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,786.28 : 811,003.14 = 372,848.28 : x
  2. Step 2: Convert to fraction form
    587,786.28/811,003.14 = 372,848.28/x
  3. Step 3: Cross multiply
    587,786.28x = 811,003.14 × 372,848.28
  4. Step 4: Simplify right side
    587,786.28x = 302,381,125,823.60
  5. Step 5: Solve for x
    x = 302,381,125,823.60/587,786.28
  6. Step 6: Final answer
    x = 514,440.60

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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.