Home / 903,928.96-1,247,112.98-516,466.36

Finding the Fourth Proportional to 903,928.96, 1,247,112.98 and 516,466.36

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Solution

The fourth proportional to 903,928.96, 1,247,112.98 and 516,466.36 is: 712,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,928.96 : 1,247,112.98 = 516,466.36 : x
  2. Step 2: Convert to fraction form
    903,928.96/1,247,112.98 = 516,466.36/x
  3. Step 3: Cross multiply
    903,928.96x = 1,247,112.98 × 516,466.36
  4. Step 4: Simplify right side
    903,928.96x = 644,091,901,289.35
  5. Step 5: Solve for x
    x = 644,091,901,289.35/903,928.96
  6. Step 6: Final answer
    x = 712,547.04

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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.