Home / 772,416.63-1,065,876.17-432,819.27

Finding the Fourth Proportional to 772,416.63, 1,065,876.17 and 432,819.27

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Solution

The fourth proportional to 772,416.63, 1,065,876.17 and 432,819.27 is: 597,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,416.63 : 1,065,876.17 = 432,819.27 : x
  2. Step 2: Convert to fraction form
    772,416.63/1,065,876.17 = 432,819.27/x
  3. Step 3: Cross multiply
    772,416.63x = 1,065,876.17 × 432,819.27
  4. Step 4: Simplify right side
    772,416.63x = 461,331,743,645.70
  5. Step 5: Solve for x
    x = 461,331,743,645.70/772,416.63
  6. Step 6: Final answer
    x = 597,257.65

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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.