Home / 917,838.20-1,375,412.70-823,068.20

Finding the Fourth Proportional to 917,838.20, 1,375,412.70 and 823,068.20

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Solution

The fourth proportional to 917,838.20, 1,375,412.70 and 823,068.20 is: 1,233,396.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,838.20 : 1,375,412.70 = 823,068.20 : x
  2. Step 2: Convert to fraction form
    917,838.20/1,375,412.70 = 823,068.20/x
  3. Step 3: Cross multiply
    917,838.20x = 1,375,412.70 × 823,068.20
  4. Step 4: Simplify right side
    917,838.20x = 1,132,058,455,246.14
  5. Step 5: Solve for x
    x = 1,132,058,455,246.14/917,838.20
  6. Step 6: Final answer
    x = 1,233,396.53

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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.