Home / 624,221.83-935,939.08-343,935.91

Finding the Fourth Proportional to 624,221.83, 935,939.08 and 343,935.91

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Solution

The fourth proportional to 624,221.83, 935,939.08 and 343,935.91 is: 515,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,221.83 : 935,939.08 = 343,935.91 : x
  2. Step 2: Convert to fraction form
    624,221.83/935,939.08 = 343,935.91/x
  3. Step 3: Cross multiply
    624,221.83x = 935,939.08 × 343,935.91
  4. Step 4: Simplify right side
    624,221.83x = 321,903,059,184.36
  5. Step 5: Solve for x
    x = 321,903,059,184.36/624,221.83
  6. Step 6: Final answer
    x = 515,686.96

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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.