Home / 566,869.44-782,315.28-312,220.56

Finding the Fourth Proportional to 566,869.44, 782,315.28 and 312,220.56

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Solution

The fourth proportional to 566,869.44, 782,315.28 and 312,220.56 is: 430,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,869.44 : 782,315.28 = 312,220.56 : x
  2. Step 2: Convert to fraction form
    566,869.44/782,315.28 = 312,220.56/x
  3. Step 3: Cross multiply
    566,869.44x = 782,315.28 × 312,220.56
  4. Step 4: Simplify right side
    566,869.44x = 244,254,914,818.16
  5. Step 5: Solve for x
    x = 244,254,914,818.16/566,869.44
  6. Step 6: Final answer
    x = 430,883.90

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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.