Home / 1,278,317.01-1,763,445.54-836,530.05

Finding the Fourth Proportional to 1,278,317.01, 1,763,445.54 and 836,530.05

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Solution

The fourth proportional to 1,278,317.01, 1,763,445.54 and 836,530.05 is: 1,153,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,317.01 : 1,763,445.54 = 836,530.05 : x
  2. Step 2: Convert to fraction form
    1,278,317.01/1,763,445.54 = 836,530.05/x
  3. Step 3: Cross multiply
    1,278,317.01x = 1,763,445.54 × 836,530.05
  4. Step 4: Simplify right side
    1,278,317.01x = 1,475,175,195,498.39
  5. Step 5: Solve for x
    x = 1,475,175,195,498.39/1,278,317.01
  6. Step 6: Final answer
    x = 1,153,997.94

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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.