Home / 1,023,648.41-1,535,417.25-313,678.50

Finding the Fourth Proportional to 1,023,648.41, 1,535,417.25 and 313,678.50

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Solution

The fourth proportional to 1,023,648.41, 1,535,417.25 and 313,678.50 is: 470,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,648.41 : 1,535,417.25 = 313,678.50 : x
  2. Step 2: Convert to fraction form
    1,023,648.41/1,535,417.25 = 313,678.50/x
  3. Step 3: Cross multiply
    1,023,648.41x = 1,535,417.25 × 313,678.50
  4. Step 4: Simplify right side
    1,023,648.41x = 481,627,372,920.02
  5. Step 5: Solve for x
    x = 481,627,372,920.02/1,023,648.41
  6. Step 6: Final answer
    x = 470,500.78

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.