Home / 764,025.17-1,054,348.52-415,162.49

Finding the Fourth Proportional to 764,025.17, 1,054,348.52 and 415,162.49

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Solution

The fourth proportional to 764,025.17, 1,054,348.52 and 415,162.49 is: 572,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,025.17 : 1,054,348.52 = 415,162.49 : x
  2. Step 2: Convert to fraction form
    764,025.17/1,054,348.52 = 415,162.49/x
  3. Step 3: Cross multiply
    764,025.17x = 1,054,348.52 × 415,162.49
  4. Step 4: Simplify right side
    764,025.17x = 437,725,949,543.46
  5. Step 5: Solve for x
    x = 437,725,949,543.46/764,025.17
  6. Step 6: Final answer
    x = 572,920.85

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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.