Home / 632,164.23-871,677.20-402,357.51

Finding the Fourth Proportional to 632,164.23, 871,677.20 and 402,357.51

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Solution

The fourth proportional to 632,164.23, 871,677.20 and 402,357.51 is: 554,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,164.23 : 871,677.20 = 402,357.51 : x
  2. Step 2: Convert to fraction form
    632,164.23/871,677.20 = 402,357.51/x
  3. Step 3: Cross multiply
    632,164.23x = 871,677.20 × 402,357.51
  4. Step 4: Simplify right side
    632,164.23x = 350,725,868,721.67
  5. Step 5: Solve for x
    x = 350,725,868,721.67/632,164.23
  6. Step 6: Final answer
    x = 554,801.83

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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.