Home / 767,650.96-1,059,355.23-423,508.28

Finding the Fourth Proportional to 767,650.96, 1,059,355.23 and 423,508.28

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Solution

The fourth proportional to 767,650.96, 1,059,355.23 and 423,508.28 is: 584,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,650.96 : 1,059,355.23 = 423,508.28 : x
  2. Step 2: Convert to fraction form
    767,650.96/1,059,355.23 = 423,508.28/x
  3. Step 3: Cross multiply
    767,650.96x = 1,059,355.23 × 423,508.28
  4. Step 4: Simplify right side
    767,650.96x = 448,645,711,366.30
  5. Step 5: Solve for x
    x = 448,645,711,366.30/767,650.96
  6. Step 6: Final answer
    x = 584,439.72

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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.