Home / 624,216.83-935,931.59-343,930.91

Finding the Fourth Proportional to 624,216.83, 935,931.59 and 343,930.91

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Solution

The fourth proportional to 624,216.83, 935,931.59 and 343,930.91 is: 515,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,216.83 : 935,931.59 = 343,930.91 : x
  2. Step 2: Convert to fraction form
    624,216.83/935,931.59 = 343,930.91/x
  3. Step 3: Cross multiply
    624,216.83x = 935,931.59 × 343,930.91
  4. Step 4: Simplify right side
    624,216.83x = 321,895,801,726.79
  5. Step 5: Solve for x
    x = 321,895,801,726.79/624,216.83
  6. Step 6: Final answer
    x = 515,679.47

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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.