Home / 893,487.70-1,340,231.55-515,574.10

Finding the Fourth Proportional to 893,487.70, 1,340,231.55 and 515,574.10

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Solution

The fourth proportional to 893,487.70, 1,340,231.55 and 515,574.10 is: 773,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,487.70 : 1,340,231.55 = 515,574.10 : x
  2. Step 2: Convert to fraction form
    893,487.70/1,340,231.55 = 515,574.10/x
  3. Step 3: Cross multiply
    893,487.70x = 1,340,231.55 × 515,574.10
  4. Step 4: Simplify right side
    893,487.70x = 690,988,675,182.86
  5. Step 5: Solve for x
    x = 690,988,675,182.86/893,487.70
  6. Step 6: Final answer
    x = 773,361.15

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Double scale
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Similar ratio
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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.