Home / 521,734.87-719,830.70-292,261.16

Finding the Fourth Proportional to 521,734.87, 719,830.70 and 292,261.16

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Solution

The fourth proportional to 521,734.87, 719,830.70 and 292,261.16 is: 403,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,734.87 : 719,830.70 = 292,261.16 : x
  2. Step 2: Convert to fraction form
    521,734.87/719,830.70 = 292,261.16/x
  3. Step 3: Cross multiply
    521,734.87x = 719,830.70 × 292,261.16
  4. Step 4: Simplify right side
    521,734.87x = 210,378,556,819.86
  5. Step 5: Solve for x
    x = 210,378,556,819.86/521,734.87
  6. Step 6: Final answer
    x = 403,228.86

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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.