Home / 370,734.80-556,102.20-331,368.80

Finding the Fourth Proportional to 370,734.80, 556,102.20 and 331,368.80

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Solution

The fourth proportional to 370,734.80, 556,102.20 and 331,368.80 is: 497,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,734.80 : 556,102.20 = 331,368.80 : x
  2. Step 2: Convert to fraction form
    370,734.80/556,102.20 = 331,368.80/x
  3. Step 3: Cross multiply
    370,734.80x = 556,102.20 × 331,368.80
  4. Step 4: Simplify right side
    370,734.80x = 184,274,918,691.36
  5. Step 5: Solve for x
    x = 184,274,918,691.36/370,734.80
  6. Step 6: Final answer
    x = 497,053.20

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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.