Home / 712,820.70-1,067,740.65-334,064.70

Finding the Fourth Proportional to 712,820.70, 1,067,740.65 and 334,064.70

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Solution

The fourth proportional to 712,820.70, 1,067,740.65 and 334,064.70 is: 500,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,820.70 : 1,067,740.65 = 334,064.70 : x
  2. Step 2: Convert to fraction form
    712,820.70/1,067,740.65 = 334,064.70/x
  3. Step 3: Cross multiply
    712,820.70x = 1,067,740.65 × 334,064.70
  4. Step 4: Simplify right side
    712,820.70x = 356,694,459,920.06
  5. Step 5: Solve for x
    x = 356,694,459,920.06/712,820.70
  6. Step 6: Final answer
    x = 500,398.57

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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.