Home / 566,868.84-782,243.06-312,220.01

Finding the Fourth Proportional to 566,868.84, 782,243.06 and 312,220.01

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Solution

The fourth proportional to 566,868.84, 782,243.06 and 312,220.01 is: 430,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,868.84 : 782,243.06 = 312,220.01 : x
  2. Step 2: Convert to fraction form
    566,868.84/782,243.06 = 312,220.01/x
  3. Step 3: Cross multiply
    566,868.84x = 782,243.06 × 312,220.01
  4. Step 4: Simplify right side
    566,868.84x = 244,231,930,543.32
  5. Step 5: Solve for x
    x = 244,231,930,543.32/566,868.84
  6. Step 6: Final answer
    x = 430,843.81

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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.