Home / 735,823.20-1,015,440-429,917.52

Finding the Fourth Proportional to 735,823.20, 1,015,440 and 429,917.52

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Solution

The fourth proportional to 735,823.20, 1,015,440 and 429,917.52 is: 593,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,823.20 : 1,015,440 = 429,917.52 : x
  2. Step 2: Convert to fraction form
    735,823.20/1,015,440 = 429,917.52/x
  3. Step 3: Cross multiply
    735,823.20x = 1,015,440 × 429,917.52
  4. Step 4: Simplify right side
    735,823.20x = 436,555,446,508.80
  5. Step 5: Solve for x
    x = 436,555,446,508.80/735,823.20
  6. Step 6: Final answer
    x = 593,288.51

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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.