Home / 992,714.70-1,489,072.05-393,818.70

Finding the Fourth Proportional to 992,714.70, 1,489,072.05 and 393,818.70

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Solution

The fourth proportional to 992,714.70, 1,489,072.05 and 393,818.70 is: 590,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,714.70 : 1,489,072.05 = 393,818.70 : x
  2. Step 2: Convert to fraction form
    992,714.70/1,489,072.05 = 393,818.70/x
  3. Step 3: Cross multiply
    992,714.70x = 1,489,072.05 × 393,818.70
  4. Step 4: Simplify right side
    992,714.70x = 586,424,418,937.34
  5. Step 5: Solve for x
    x = 586,424,418,937.34/992,714.70
  6. Step 6: Final answer
    x = 590,728.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.