Home / 1,192,320.86-1,788,492.11-339,392.18

Finding the Fourth Proportional to 1,192,320.86, 1,788,492.11 and 339,392.18

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Solution

The fourth proportional to 1,192,320.86, 1,788,492.11 and 339,392.18 is: 509,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,320.86 : 1,788,492.11 = 339,392.18 : x
  2. Step 2: Convert to fraction form
    1,192,320.86/1,788,492.11 = 339,392.18/x
  3. Step 3: Cross multiply
    1,192,320.86x = 1,788,492.11 × 339,392.18
  4. Step 4: Simplify right side
    1,192,320.86x = 607,000,225,486.28
  5. Step 5: Solve for x
    x = 607,000,225,486.28/1,192,320.86
  6. Step 6: Final answer
    x = 509,091.34

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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.