Home / 897,287.33-1,238,448.14-515,524.61

Finding the Fourth Proportional to 897,287.33, 1,238,448.14 and 515,524.61

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Solution

The fourth proportional to 897,287.33, 1,238,448.14 and 515,524.61 is: 711,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,287.33 : 1,238,448.14 = 515,524.61 : x
  2. Step 2: Convert to fraction form
    897,287.33/1,238,448.14 = 515,524.61/x
  3. Step 3: Cross multiply
    897,287.33x = 1,238,448.14 × 515,524.61
  4. Step 4: Simplify right side
    897,287.33x = 638,450,485,608.86
  5. Step 5: Solve for x
    x = 638,450,485,608.86/897,287.33
  6. Step 6: Final answer
    x = 711,534.05

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1.5x scale

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.