Home / 956,401.86-1,317,589.64-665,513.18

Finding the Fourth Proportional to 956,401.86, 1,317,589.64 and 665,513.18

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Solution

The fourth proportional to 956,401.86, 1,317,589.64 and 665,513.18 is: 916,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,401.86 : 1,317,589.64 = 665,513.18 : x
  2. Step 2: Convert to fraction form
    956,401.86/1,317,589.64 = 665,513.18/x
  3. Step 3: Cross multiply
    956,401.86x = 1,317,589.64 × 665,513.18
  4. Step 4: Simplify right side
    956,401.86x = 876,873,268,772.58
  5. Step 5: Solve for x
    x = 876,873,268,772.58/956,401.86
  6. Step 6: Final answer
    x = 916,846.05

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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.