Home / 923,987.57-1,275,089.40-516,095.21

Finding the Fourth Proportional to 923,987.57, 1,275,089.40 and 516,095.21

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Solution

The fourth proportional to 923,987.57, 1,275,089.40 and 516,095.21 is: 712,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,987.57 : 1,275,089.40 = 516,095.21 : x
  2. Step 2: Convert to fraction form
    923,987.57/1,275,089.40 = 516,095.21/x
  3. Step 3: Cross multiply
    923,987.57x = 1,275,089.40 × 516,095.21
  4. Step 4: Simplify right side
    923,987.57x = 658,067,531,661.77
  5. Step 5: Solve for x
    x = 658,067,531,661.77/923,987.57
  6. Step 6: Final answer
    x = 712,203.88

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Double scale
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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.