Home / 403,354.80-556,217.04-267,341.52

Finding the Fourth Proportional to 403,354.80, 556,217.04 and 267,341.52

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Solution

The fourth proportional to 403,354.80, 556,217.04 and 267,341.52 is: 368,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,354.80 : 556,217.04 = 267,341.52 : x
  2. Step 2: Convert to fraction form
    403,354.80/556,217.04 = 267,341.52/x
  3. Step 3: Cross multiply
    403,354.80x = 556,217.04 × 267,341.52
  4. Step 4: Simplify right side
    403,354.80x = 148,699,908,923.50
  5. Step 5: Solve for x
    x = 148,699,908,923.50/403,354.80
  6. Step 6: Final answer
    x = 368,657.84

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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.