Home / 865,632.37-1,304,357.13-711,317.65

Finding the Fourth Proportional to 865,632.37, 1,304,357.13 and 711,317.65

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Solution

The fourth proportional to 865,632.37, 1,304,357.13 and 711,317.65 is: 1,071,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,632.37 : 1,304,357.13 = 711,317.65 : x
  2. Step 2: Convert to fraction form
    865,632.37/1,304,357.13 = 711,317.65/x
  3. Step 3: Cross multiply
    865,632.37x = 1,304,357.13 × 711,317.65
  4. Step 4: Simplify right side
    865,632.37x = 927,812,242,544.01
  5. Step 5: Solve for x
    x = 927,812,242,544.01/865,632.37
  6. Step 6: Final answer
    x = 1,071,831.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.