Home / 1,627,782.25-2,246,339.51-912,390.25

Finding the Fourth Proportional to 1,627,782.25, 2,246,339.51 and 912,390.25

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Solution

The fourth proportional to 1,627,782.25, 2,246,339.51 and 912,390.25 is: 1,259,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,782.25 : 2,246,339.51 = 912,390.25 : x
  2. Step 2: Convert to fraction form
    1,627,782.25/2,246,339.51 = 912,390.25/x
  3. Step 3: Cross multiply
    1,627,782.25x = 2,246,339.51 × 912,390.25
  4. Step 4: Simplify right side
    1,627,782.25x = 2,049,538,262,551.83
  5. Step 5: Solve for x
    x = 2,049,538,262,551.83/1,627,782.25
  6. Step 6: Final answer
    x = 1,259,098.55

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1.5x scale

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.