Home / 1,285,193.60-1,773,762.52-820,248.14

Finding the Fourth Proportional to 1,285,193.60, 1,773,762.52 and 820,248.14

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Solution

The fourth proportional to 1,285,193.60, 1,773,762.52 and 820,248.14 is: 1,132,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,193.60 : 1,773,762.52 = 820,248.14 : x
  2. Step 2: Convert to fraction form
    1,285,193.60/1,773,762.52 = 820,248.14/x
  3. Step 3: Cross multiply
    1,285,193.60x = 1,773,762.52 × 820,248.14
  4. Step 4: Simplify right side
    1,285,193.60x = 1,454,925,407,831.71
  5. Step 5: Solve for x
    x = 1,454,925,407,831.71/1,285,193.60
  6. Step 6: Final answer
    x = 1,132,067.11

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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.