Home / 1,255,181.19-1,732,186.56-711,298.89

Finding the Fourth Proportional to 1,255,181.19, 1,732,186.56 and 711,298.89

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Solution

The fourth proportional to 1,255,181.19, 1,732,186.56 and 711,298.89 is: 981,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,181.19 : 1,732,186.56 = 711,298.89 : x
  2. Step 2: Convert to fraction form
    1,255,181.19/1,732,186.56 = 711,298.89/x
  3. Step 3: Cross multiply
    1,255,181.19x = 1,732,186.56 × 711,298.89
  4. Step 4: Simplify right side
    1,255,181.19x = 1,232,102,377,400.92
  5. Step 5: Solve for x
    x = 1,232,102,377,400.92/1,255,181.19
  6. Step 6: Final answer
    x = 981,613.16

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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.