Home / 521,677.23-719,941.55-292,221.11

Finding the Fourth Proportional to 521,677.23, 719,941.55 and 292,221.11

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Solution

The fourth proportional to 521,677.23, 719,941.55 and 292,221.11 is: 403,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,677.23 : 719,941.55 = 292,221.11 : x
  2. Step 2: Convert to fraction form
    521,677.23/719,941.55 = 292,221.11/x
  3. Step 3: Cross multiply
    521,677.23x = 719,941.55 × 292,221.11
  4. Step 4: Simplify right side
    521,677.23x = 210,382,113,815.31
  5. Step 5: Solve for x
    x = 210,382,113,815.31/521,677.23
  6. Step 6: Final answer
    x = 403,280.23

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1.5x scale

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.