Home / 945,573.30-1,304,865.27-515,853.33

Finding the Fourth Proportional to 945,573.30, 1,304,865.27 and 515,853.33

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Solution

The fourth proportional to 945,573.30, 1,304,865.27 and 515,853.33 is: 711,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,573.30 : 1,304,865.27 = 515,853.33 : x
  2. Step 2: Convert to fraction form
    945,573.30/1,304,865.27 = 515,853.33/x
  3. Step 3: Cross multiply
    945,573.30x = 1,304,865.27 × 515,853.33
  4. Step 4: Simplify right side
    945,573.30x = 673,119,094,730.85
  5. Step 5: Solve for x
    x = 673,119,094,730.85/945,573.30
  6. Step 6: Final answer
    x = 711,863.47

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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.