Home / 1,409,368.32-1,944,929.60-805,768.96

Finding the Fourth Proportional to 1,409,368.32, 1,944,929.60 and 805,768.96

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Solution

The fourth proportional to 1,409,368.32, 1,944,929.60 and 805,768.96 is: 1,111,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,368.32 : 1,944,929.60 = 805,768.96 : x
  2. Step 2: Convert to fraction form
    1,409,368.32/1,944,929.60 = 805,768.96/x
  3. Step 3: Cross multiply
    1,409,368.32x = 1,944,929.60 × 805,768.96
  4. Step 4: Simplify right side
    1,409,368.32x = 1,567,163,901,065.22
  5. Step 5: Solve for x
    x = 1,567,163,901,065.22/1,409,368.32
  6. Step 6: Final answer
    x = 1,111,961.92

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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.