Home / 710,215.20-1,065,471.84-204,775.20

Finding the Fourth Proportional to 710,215.20, 1,065,471.84 and 204,775.20

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Solution

The fourth proportional to 710,215.20, 1,065,471.84 and 204,775.20 is: 307,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,215.20 : 1,065,471.84 = 204,775.20 : x
  2. Step 2: Convert to fraction form
    710,215.20/1,065,471.84 = 204,775.20/x
  3. Step 3: Cross multiply
    710,215.20x = 1,065,471.84 × 204,775.20
  4. Step 4: Simplify right side
    710,215.20x = 218,182,209,130.37
  5. Step 5: Solve for x
    x = 218,182,209,130.37/710,215.20
  6. Step 6: Final answer
    x = 307,205.77

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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.