Home / 1,022,138.44-1,533,440.94-312,267.40

Finding the Fourth Proportional to 1,022,138.44, 1,533,440.94 and 312,267.40

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Solution

The fourth proportional to 1,022,138.44, 1,533,440.94 and 312,267.40 is: 468,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,138.44 : 1,533,440.94 = 312,267.40 : x
  2. Step 2: Convert to fraction form
    1,022,138.44/1,533,440.94 = 312,267.40/x
  3. Step 3: Cross multiply
    1,022,138.44x = 1,533,440.94 × 312,267.40
  4. Step 4: Simplify right side
    1,022,138.44x = 478,843,615,387.36
  5. Step 5: Solve for x
    x = 478,843,615,387.36/1,022,138.44
  6. Step 6: Final answer
    x = 468,472.37

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Double scale
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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.