Home / 619,461.81-929,531.25-240,397.47

Finding the Fourth Proportional to 619,461.81, 929,531.25 and 240,397.47

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Solution

The fourth proportional to 619,461.81, 929,531.25 and 240,397.47 is: 360,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,461.81 : 929,531.25 = 240,397.47 : x
  2. Step 2: Convert to fraction form
    619,461.81/929,531.25 = 240,397.47/x
  3. Step 3: Cross multiply
    619,461.81x = 929,531.25 × 240,397.47
  4. Step 4: Simplify right side
    619,461.81x = 223,456,960,785.94
  5. Step 5: Solve for x
    x = 223,456,960,785.94/619,461.81
  6. Step 6: Final answer
    x = 360,727.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.