Home / 943,639.80-1,413,386.10-838,577.40

Finding the Fourth Proportional to 943,639.80, 1,413,386.10 and 838,577.40

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Solution

The fourth proportional to 943,639.80, 1,413,386.10 and 838,577.40 is: 1,256,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,639.80 : 1,413,386.10 = 838,577.40 : x
  2. Step 2: Convert to fraction form
    943,639.80/1,413,386.10 = 838,577.40/x
  3. Step 3: Cross multiply
    943,639.80x = 1,413,386.10 × 838,577.40
  4. Step 4: Simplify right side
    943,639.80x = 1,185,233,640,934.14
  5. Step 5: Solve for x
    x = 1,185,233,640,934.14/943,639.80
  6. Step 6: Final answer
    x = 1,256,023.37

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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.