Home / 715,049.89-1,071,662.65-335,132.45

Finding the Fourth Proportional to 715,049.89, 1,071,662.65 and 335,132.45

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Solution

The fourth proportional to 715,049.89, 1,071,662.65 and 335,132.45 is: 502,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,049.89 : 1,071,662.65 = 335,132.45 : x
  2. Step 2: Convert to fraction form
    715,049.89/1,071,662.65 = 335,132.45/x
  3. Step 3: Cross multiply
    715,049.89x = 1,071,662.65 × 335,132.45
  4. Step 4: Simplify right side
    715,049.89x = 359,148,935,203.81
  5. Step 5: Solve for x
    x = 359,148,935,203.81/715,049.89
  6. Step 6: Final answer
    x = 502,271.15

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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.