Home / 1,038,906.78-1,433,722.23-636,271.26

Finding the Fourth Proportional to 1,038,906.78, 1,433,722.23 and 636,271.26

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Solution

The fourth proportional to 1,038,906.78, 1,433,722.23 and 636,271.26 is: 878,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,906.78 : 1,433,722.23 = 636,271.26 : x
  2. Step 2: Convert to fraction form
    1,038,906.78/1,433,722.23 = 636,271.26/x
  3. Step 3: Cross multiply
    1,038,906.78x = 1,433,722.23 × 636,271.26
  4. Step 4: Simplify right side
    1,038,906.78x = 912,236,249,772.11
  5. Step 5: Solve for x
    x = 912,236,249,772.11/1,038,906.78
  6. Step 6: Final answer
    x = 878,073.25

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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.