Home / 1,255,664.21-1,732,875.82-711,810.56

Finding the Fourth Proportional to 1,255,664.21, 1,732,875.82 and 711,810.56

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Solution

The fourth proportional to 1,255,664.21, 1,732,875.82 and 711,810.56 is: 982,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,664.21 : 1,732,875.82 = 711,810.56 : x
  2. Step 2: Convert to fraction form
    1,255,664.21/1,732,875.82 = 711,810.56/x
  3. Step 3: Cross multiply
    1,255,664.21x = 1,732,875.82 × 711,810.56
  4. Step 4: Simplify right side
    1,255,664.21x = 1,233,479,310,397.32
  5. Step 5: Solve for x
    x = 1,233,479,310,397.32/1,255,664.21
  6. Step 6: Final answer
    x = 982,332.14

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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.