Home / 1,197,828.90-1,796,743.35-1,138,779.90

Finding the Fourth Proportional to 1,197,828.90, 1,796,743.35 and 1,138,779.90

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Solution

The fourth proportional to 1,197,828.90, 1,796,743.35 and 1,138,779.90 is: 1,708,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,828.90 : 1,796,743.35 = 1,138,779.90 : x
  2. Step 2: Convert to fraction form
    1,197,828.90/1,796,743.35 = 1,138,779.90/x
  3. Step 3: Cross multiply
    1,197,828.90x = 1,796,743.35 × 1,138,779.90
  4. Step 4: Simplify right side
    1,197,828.90x = 2,046,095,212,438.67
  5. Step 5: Solve for x
    x = 2,046,095,212,438.67/1,197,828.90
  6. Step 6: Final answer
    x = 1,708,169.85

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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.