Home / 930,903.60-1,396,355.40-694,707.60

Finding the Fourth Proportional to 930,903.60, 1,396,355.40 and 694,707.60

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Solution

The fourth proportional to 930,903.60, 1,396,355.40 and 694,707.60 is: 1,042,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,903.60 : 1,396,355.40 = 694,707.60 : x
  2. Step 2: Convert to fraction form
    930,903.60/1,396,355.40 = 694,707.60/x
  3. Step 3: Cross multiply
    930,903.60x = 1,396,355.40 × 694,707.60
  4. Step 4: Simplify right side
    930,903.60x = 970,058,708,681.04
  5. Step 5: Solve for x
    x = 970,058,708,681.04/930,903.60
  6. Step 6: Final answer
    x = 1,042,061.40

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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.