Home / 945,615.92-1,304,904.48-515,870.42

Finding the Fourth Proportional to 945,615.92, 1,304,904.48 and 515,870.42

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Solution

The fourth proportional to 945,615.92, 1,304,904.48 and 515,870.42 is: 711,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,615.92 : 1,304,904.48 = 515,870.42 : x
  2. Step 2: Convert to fraction form
    945,615.92/1,304,904.48 = 515,870.42/x
  3. Step 3: Cross multiply
    945,615.92x = 1,304,904.48 × 515,870.42
  4. Step 4: Simplify right side
    945,615.92x = 673,161,622,157.48
  5. Step 5: Solve for x
    x = 673,161,622,157.48/945,615.92
  6. Step 6: Final answer
    x = 711,876.36

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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.