Home / 623,001.36-859,742.22-336,521.45

Finding the Fourth Proportional to 623,001.36, 859,742.22 and 336,521.45

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Solution

The fourth proportional to 623,001.36, 859,742.22 and 336,521.45 is: 464,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,001.36 : 859,742.22 = 336,521.45 : x
  2. Step 2: Convert to fraction form
    623,001.36/859,742.22 = 336,521.45/x
  3. Step 3: Cross multiply
    623,001.36x = 859,742.22 × 336,521.45
  4. Step 4: Simplify right side
    623,001.36x = 289,321,694,201.91
  5. Step 5: Solve for x
    x = 289,321,694,201.91/623,001.36
  6. Step 6: Final answer
    x = 464,399.78

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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.