Home / 945,598.92-1,304,881.02-515,853.42

Finding the Fourth Proportional to 945,598.92, 1,304,881.02 and 515,853.42

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Solution

The fourth proportional to 945,598.92, 1,304,881.02 and 515,853.42 is: 711,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,598.92 : 1,304,881.02 = 515,853.42 : x
  2. Step 2: Convert to fraction form
    945,598.92/1,304,881.02 = 515,853.42/x
  3. Step 3: Cross multiply
    945,598.92x = 1,304,881.02 × 515,853.42
  4. Step 4: Simplify right side
    945,598.92x = 673,127,336,860.09
  5. Step 5: Solve for x
    x = 673,127,336,860.09/945,598.92
  6. Step 6: Final answer
    x = 711,852.90

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Double scale
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Similar ratio
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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.