Home / 853,845.22-1,178,431.50-514,306.18

Finding the Fourth Proportional to 853,845.22, 1,178,431.50 and 514,306.18

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Solution

The fourth proportional to 853,845.22, 1,178,431.50 and 514,306.18 is: 709,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,845.22 : 1,178,431.50 = 514,306.18 : x
  2. Step 2: Convert to fraction form
    853,845.22/1,178,431.50 = 514,306.18/x
  3. Step 3: Cross multiply
    853,845.22x = 1,178,431.50 × 514,306.18
  4. Step 4: Simplify right side
    853,845.22x = 606,074,603,156.67
  5. Step 5: Solve for x
    x = 606,074,603,156.67/853,845.22
  6. Step 6: Final answer
    x = 709,817.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.