Home / 1,022,235.90-1,534,065.33-423,200.16

Finding the Fourth Proportional to 1,022,235.90, 1,534,065.33 and 423,200.16

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Solution

The fourth proportional to 1,022,235.90, 1,534,065.33 and 423,200.16 is: 635,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,235.90 : 1,534,065.33 = 423,200.16 : x
  2. Step 2: Convert to fraction form
    1,022,235.90/1,534,065.33 = 423,200.16/x
  3. Step 3: Cross multiply
    1,022,235.90x = 1,534,065.33 × 423,200.16
  4. Step 4: Simplify right side
    1,022,235.90x = 649,216,693,106.45
  5. Step 5: Solve for x
    x = 649,216,693,106.45/1,022,235.90
  6. Step 6: Final answer
    x = 635,094.79

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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.