Home / 1,240,743.93-1,712,387.22-696,879.72

Finding the Fourth Proportional to 1,240,743.93, 1,712,387.22 and 696,879.72

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Solution

The fourth proportional to 1,240,743.93, 1,712,387.22 and 696,879.72 is: 961,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,743.93 : 1,712,387.22 = 696,879.72 : x
  2. Step 2: Convert to fraction form
    1,240,743.93/1,712,387.22 = 696,879.72/x
  3. Step 3: Cross multiply
    1,240,743.93x = 1,712,387.22 × 696,879.72
  4. Step 4: Simplify right side
    1,240,743.93x = 1,193,327,923,791.88
  5. Step 5: Solve for x
    x = 1,193,327,923,791.88/1,240,743.93
  6. Step 6: Final answer
    x = 961,784.22

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1.5x scale

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.