Home / 1,233,779.80-1,702,620.66-717,657.52

Finding the Fourth Proportional to 1,233,779.80, 1,702,620.66 and 717,657.52

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Solution

The fourth proportional to 1,233,779.80, 1,702,620.66 and 717,657.52 is: 990,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,779.80 : 1,702,620.66 = 717,657.52 : x
  2. Step 2: Convert to fraction form
    1,233,779.80/1,702,620.66 = 717,657.52/x
  3. Step 3: Cross multiply
    1,233,779.80x = 1,702,620.66 × 717,657.52
  4. Step 4: Simplify right side
    1,233,779.80x = 1,221,898,520,356.36
  5. Step 5: Solve for x
    x = 1,221,898,520,356.36/1,233,779.80
  6. Step 6: Final answer
    x = 990,370.02

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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.