Home / 1,768,659.90-2,442,603.39-1,218,805.26

Finding the Fourth Proportional to 1,768,659.90, 2,442,603.39 and 1,218,805.26

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Solution

The fourth proportional to 1,768,659.90, 2,442,603.39 and 1,218,805.26 is: 1,683,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,659.90 : 2,442,603.39 = 1,218,805.26 : x
  2. Step 2: Convert to fraction form
    1,768,659.90/2,442,603.39 = 1,218,805.26/x
  3. Step 3: Cross multiply
    1,768,659.90x = 2,442,603.39 × 1,218,805.26
  4. Step 4: Simplify right side
    1,768,659.90x = 2,977,057,859,825.83
  5. Step 5: Solve for x
    x = 2,977,057,859,825.83/1,768,659.90
  6. Step 6: Final answer
    x = 1,683,228.00

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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.