Home / 611,819.18-917,746.88-292,004.75

Finding the Fourth Proportional to 611,819.18, 917,746.88 and 292,004.75

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Solution

The fourth proportional to 611,819.18, 917,746.88 and 292,004.75 is: 438,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,819.18 : 917,746.88 = 292,004.75 : x
  2. Step 2: Convert to fraction form
    611,819.18/917,746.88 = 292,004.75/x
  3. Step 3: Cross multiply
    611,819.18x = 917,746.88 × 292,004.75
  4. Step 4: Simplify right side
    611,819.18x = 267,986,446,797.66
  5. Step 5: Solve for x
    x = 267,986,446,797.66/611,819.18
  6. Step 6: Final answer
    x = 438,015.77

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1.5x scale

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.