Home / 1,316,933.12-1,974,492.05-518,306.33

Finding the Fourth Proportional to 1,316,933.12, 1,974,492.05 and 518,306.33

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Solution

The fourth proportional to 1,316,933.12, 1,974,492.05 and 518,306.33 is: 777,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,933.12 : 1,974,492.05 = 518,306.33 : x
  2. Step 2: Convert to fraction form
    1,316,933.12/1,974,492.05 = 518,306.33/x
  3. Step 3: Cross multiply
    1,316,933.12x = 1,974,492.05 × 518,306.33
  4. Step 4: Simplify right side
    1,316,933.12x = 1,023,391,715,585.68
  5. Step 5: Solve for x
    x = 1,023,391,715,585.68/1,316,933.12
  6. Step 6: Final answer
    x = 777,102.27

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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.