Home / 623,189.07-935,203.68-218,384.91

Finding the Fourth Proportional to 623,189.07, 935,203.68 and 218,384.91

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Solution

The fourth proportional to 623,189.07, 935,203.68 and 218,384.91 is: 327,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,189.07 : 935,203.68 = 218,384.91 : x
  2. Step 2: Convert to fraction form
    623,189.07/935,203.68 = 218,384.91/x
  3. Step 3: Cross multiply
    623,189.07x = 935,203.68 × 218,384.91
  4. Step 4: Simplify right side
    623,189.07x = 204,234,371,488.47
  5. Step 5: Solve for x
    x = 204,234,371,488.47/623,189.07
  6. Step 6: Final answer
    x = 327,724.57

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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.