Home / 823,904.40-1,234,301.40-423,181.20

Finding the Fourth Proportional to 823,904.40, 1,234,301.40 and 423,181.20

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Solution

The fourth proportional to 823,904.40, 1,234,301.40 and 423,181.20 is: 633,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,904.40 : 1,234,301.40 = 423,181.20 : x
  2. Step 2: Convert to fraction form
    823,904.40/1,234,301.40 = 423,181.20/x
  3. Step 3: Cross multiply
    823,904.40x = 1,234,301.40 × 423,181.20
  4. Step 4: Simplify right side
    823,904.40x = 522,333,147,613.68
  5. Step 5: Solve for x
    x = 522,333,147,613.68/823,904.40
  6. Step 6: Final answer
    x = 633,973.00

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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.