Home / 905,616.86-1,249,781.22-497,733.17

Finding the Fourth Proportional to 905,616.86, 1,249,781.22 and 497,733.17

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Solution

The fourth proportional to 905,616.86, 1,249,781.22 and 497,733.17 is: 686,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,616.86 : 1,249,781.22 = 497,733.17 : x
  2. Step 2: Convert to fraction form
    905,616.86/1,249,781.22 = 497,733.17/x
  3. Step 3: Cross multiply
    905,616.86x = 1,249,781.22 × 497,733.17
  4. Step 4: Simplify right side
    905,616.86x = 622,057,568,437.07
  5. Step 5: Solve for x
    x = 622,057,568,437.07/905,616.86
  6. Step 6: Final answer
    x = 686,888.24

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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.