Home / 1,282,643.20-1,922,695.80-607,537.90

Finding the Fourth Proportional to 1,282,643.20, 1,922,695.80 and 607,537.90

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Solution

The fourth proportional to 1,282,643.20, 1,922,695.80 and 607,537.90 is: 910,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,643.20 : 1,922,695.80 = 607,537.90 : x
  2. Step 2: Convert to fraction form
    1,282,643.20/1,922,695.80 = 607,537.90/x
  3. Step 3: Cross multiply
    1,282,643.20x = 1,922,695.80 × 607,537.90
  4. Step 4: Simplify right side
    1,282,643.20x = 1,168,110,568,670.82
  5. Step 5: Solve for x
    x = 1,168,110,568,670.82/1,282,643.20
  6. Step 6: Final answer
    x = 910,705.77

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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.