Home / 1,706,240.80-2,557,392.54-640,603.18

Finding the Fourth Proportional to 1,706,240.80, 2,557,392.54 and 640,603.18

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Solution

The fourth proportional to 1,706,240.80, 2,557,392.54 and 640,603.18 is: 960,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,240.80 : 2,557,392.54 = 640,603.18 : x
  2. Step 2: Convert to fraction form
    1,706,240.80/2,557,392.54 = 640,603.18/x
  3. Step 3: Cross multiply
    1,706,240.80x = 2,557,392.54 × 640,603.18
  4. Step 4: Simplify right side
    1,706,240.80x = 1,638,273,793,632.28
  5. Step 5: Solve for x
    x = 1,638,273,793,632.28/1,706,240.80
  6. Step 6: Final answer
    x = 960,165.64

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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.