Home / 917,868.38-1,376,492.07-349,114.46

Finding the Fourth Proportional to 917,868.38, 1,376,492.07 and 349,114.46

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Solution

The fourth proportional to 917,868.38, 1,376,492.07 and 349,114.46 is: 523,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,868.38 : 1,376,492.07 = 349,114.46 : x
  2. Step 2: Convert to fraction form
    917,868.38/1,376,492.07 = 349,114.46/x
  3. Step 3: Cross multiply
    917,868.38x = 1,376,492.07 × 349,114.46
  4. Step 4: Simplify right side
    917,868.38x = 480,553,285,712.33
  5. Step 5: Solve for x
    x = 480,553,285,712.33/917,868.38
  6. Step 6: Final answer
    x = 523,553.59

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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.