Home / 745,449.13-1,118,016.69-240,055.30

Finding the Fourth Proportional to 745,449.13, 1,118,016.69 and 240,055.30

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Solution

The fourth proportional to 745,449.13, 1,118,016.69 and 240,055.30 is: 360,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,449.13 : 1,118,016.69 = 240,055.30 : x
  2. Step 2: Convert to fraction form
    745,449.13/1,118,016.69 = 240,055.30/x
  3. Step 3: Cross multiply
    745,449.13x = 1,118,016.69 × 240,055.30
  4. Step 4: Simplify right side
    745,449.13x = 268,385,831,922.96
  5. Step 5: Solve for x
    x = 268,385,831,922.96/745,449.13
  6. Step 6: Final answer
    x = 360,032.39

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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.