Home / 440,924.19-661,315.48-121,001.34

Finding the Fourth Proportional to 440,924.19, 661,315.48 and 121,001.34

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Solution

The fourth proportional to 440,924.19, 661,315.48 and 121,001.34 is: 181,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,924.19 : 661,315.48 = 121,001.34 : x
  2. Step 2: Convert to fraction form
    440,924.19/661,315.48 = 121,001.34/x
  3. Step 3: Cross multiply
    440,924.19x = 661,315.48 × 121,001.34
  4. Step 4: Simplify right side
    440,924.19x = 80,020,059,242.74
  5. Step 5: Solve for x
    x = 80,020,059,242.74/440,924.19
  6. Step 6: Final answer
    x = 181,482.58

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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.