Home / 1,409,388.32-1,944,957.20-805,788.96

Finding the Fourth Proportional to 1,409,388.32, 1,944,957.20 and 805,788.96

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Solution

The fourth proportional to 1,409,388.32, 1,944,957.20 and 805,788.96 is: 1,111,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,388.32 : 1,944,957.20 = 805,788.96 : x
  2. Step 2: Convert to fraction form
    1,409,388.32/1,944,957.20 = 805,788.96/x
  3. Step 3: Cross multiply
    1,409,388.32x = 1,944,957.20 × 805,788.96
  4. Step 4: Simplify right side
    1,409,388.32x = 1,567,225,039,432.51
  5. Step 5: Solve for x
    x = 1,567,225,039,432.51/1,409,388.32
  6. Step 6: Final answer
    x = 1,111,989.52

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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.