Home / 566,928.18-782,363.00-312,278.76

Finding the Fourth Proportional to 566,928.18, 782,363.00 and 312,278.76

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Solution

The fourth proportional to 566,928.18, 782,363.00 and 312,278.76 is: 430,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,928.18 : 782,363.00 = 312,278.76 : x
  2. Step 2: Convert to fraction form
    566,928.18/782,363.00 = 312,278.76/x
  3. Step 3: Cross multiply
    566,928.18x = 782,363.00 × 312,278.76
  4. Step 4: Simplify right side
    566,928.18x = 244,315,348,290.58
  5. Step 5: Solve for x
    x = 244,315,348,290.58/566,928.18
  6. Step 6: Final answer
    x = 430,945.85

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Double scale
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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.