Home / 1,022,210.40-1,534,027.05-423,174.69

Finding the Fourth Proportional to 1,022,210.40, 1,534,027.05 and 423,174.69

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Solution

The fourth proportional to 1,022,210.40, 1,534,027.05 and 423,174.69 is: 635,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,210.40 : 1,534,027.05 = 423,174.69 : x
  2. Step 2: Convert to fraction form
    1,022,210.40/1,534,027.05 = 423,174.69/x
  3. Step 3: Cross multiply
    1,022,210.40x = 1,534,027.05 × 423,174.69
  4. Step 4: Simplify right side
    1,022,210.40x = 649,161,421,335.37
  5. Step 5: Solve for x
    x = 649,161,421,335.37/1,022,210.40
  6. Step 6: Final answer
    x = 635,056.56

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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.