Home / 2,625,355.13-3,938,032.69-852,427.13

Finding the Fourth Proportional to 2,625,355.13, 3,938,032.69 and 852,427.13

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Solution

The fourth proportional to 2,625,355.13, 3,938,032.69 and 852,427.13 is: 1,278,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,355.13 : 3,938,032.69 = 852,427.13 : x
  2. Step 2: Convert to fraction form
    2,625,355.13/3,938,032.69 = 852,427.13/x
  3. Step 3: Cross multiply
    2,625,355.13x = 3,938,032.69 × 852,427.13
  4. Step 4: Simplify right side
    2,625,355.13x = 3,356,885,881,961.65
  5. Step 5: Solve for x
    x = 3,356,885,881,961.65/2,625,355.13
  6. Step 6: Final answer
    x = 1,278,640.69

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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.