Home / 717,864.48-990,653.04-416,233.44

Finding the Fourth Proportional to 717,864.48, 990,653.04 and 416,233.44

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Solution

The fourth proportional to 717,864.48, 990,653.04 and 416,233.44 is: 574,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,864.48 : 990,653.04 = 416,233.44 : x
  2. Step 2: Convert to fraction form
    717,864.48/990,653.04 = 416,233.44/x
  3. Step 3: Cross multiply
    717,864.48x = 990,653.04 × 416,233.44
  4. Step 4: Simplify right side
    717,864.48x = 412,342,922,685.66
  5. Step 5: Solve for x
    x = 412,342,922,685.66/717,864.48
  6. Step 6: Final answer
    x = 574,402.18

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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.