Home / 1,060,320.60-1,589,936.10-312,269.40

Finding the Fourth Proportional to 1,060,320.60, 1,589,936.10 and 312,269.40

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Solution

The fourth proportional to 1,060,320.60, 1,589,936.10 and 312,269.40 is: 468,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,320.60 : 1,589,936.10 = 312,269.40 : x
  2. Step 2: Convert to fraction form
    1,060,320.60/1,589,936.10 = 312,269.40/x
  3. Step 3: Cross multiply
    1,060,320.60x = 1,589,936.10 × 312,269.40
  4. Step 4: Simplify right side
    1,060,320.60x = 496,488,391,985.34
  5. Step 5: Solve for x
    x = 496,488,391,985.34/1,060,320.60
  6. Step 6: Final answer
    x = 468,243.65

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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.