Home / 938,020.57-1,400,166.17-805,750.81

Finding the Fourth Proportional to 938,020.57, 1,400,166.17 and 805,750.81

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Solution

The fourth proportional to 938,020.57, 1,400,166.17 and 805,750.81 is: 1,202,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,020.57 : 1,400,166.17 = 805,750.81 : x
  2. Step 2: Convert to fraction form
    938,020.57/1,400,166.17 = 805,750.81/x
  3. Step 3: Cross multiply
    938,020.57x = 1,400,166.17 × 805,750.81
  4. Step 4: Simplify right side
    938,020.57x = 1,128,185,021,104.49
  5. Step 5: Solve for x
    x = 1,128,185,021,104.49/938,020.57
  6. Step 6: Final answer
    x = 1,202,729.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.