Home / 1,641,551.32-2,265,379.14-1,029,729.97

Finding the Fourth Proportional to 1,641,551.32, 2,265,379.14 and 1,029,729.97

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Solution

The fourth proportional to 1,641,551.32, 2,265,379.14 and 1,029,729.97 is: 1,421,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,551.32 : 2,265,379.14 = 1,029,729.97 : x
  2. Step 2: Convert to fraction form
    1,641,551.32/2,265,379.14 = 1,029,729.97/x
  3. Step 3: Cross multiply
    1,641,551.32x = 2,265,379.14 × 1,029,729.97
  4. Step 4: Simplify right side
    1,641,551.32x = 2,332,728,793,870.83
  5. Step 5: Solve for x
    x = 2,332,728,793,870.83/1,641,551.32
  6. Step 6: Final answer
    x = 1,421,051.40

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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.