Home / 945,344.40-1,304,590.84-515,624.56

Finding the Fourth Proportional to 945,344.40, 1,304,590.84 and 515,624.56

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Solution

The fourth proportional to 945,344.40, 1,304,590.84 and 515,624.56 is: 711,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,344.40 : 1,304,590.84 = 515,624.56 : x
  2. Step 2: Convert to fraction form
    945,344.40/1,304,590.84 = 515,624.56/x
  3. Step 3: Cross multiply
    945,344.40x = 1,304,590.84 × 515,624.56
  4. Step 4: Simplify right side
    945,344.40x = 672,679,077,855.03
  5. Step 5: Solve for x
    x = 672,679,077,855.03/945,344.40
  6. Step 6: Final answer
    x = 711,570.38

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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.