Home / 524,890.20-787,335.30-209,573.40

Finding the Fourth Proportional to 524,890.20, 787,335.30 and 209,573.40

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Solution

The fourth proportional to 524,890.20, 787,335.30 and 209,573.40 is: 314,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,890.20 : 787,335.30 = 209,573.40 : x
  2. Step 2: Convert to fraction form
    524,890.20/787,335.30 = 209,573.40/x
  3. Step 3: Cross multiply
    524,890.20x = 787,335.30 × 209,573.40
  4. Step 4: Simplify right side
    524,890.20x = 165,004,535,761.02
  5. Step 5: Solve for x
    x = 165,004,535,761.02/524,890.20
  6. Step 6: Final answer
    x = 314,360.10

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Similar ratio
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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.