Home / 960,991.91-1,326,502.81-553,256.26

Finding the Fourth Proportional to 960,991.91, 1,326,502.81 and 553,256.26

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Solution

The fourth proportional to 960,991.91, 1,326,502.81 and 553,256.26 is: 763,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,991.91 : 1,326,502.81 = 553,256.26 : x
  2. Step 2: Convert to fraction form
    960,991.91/1,326,502.81 = 553,256.26/x
  3. Step 3: Cross multiply
    960,991.91x = 1,326,502.81 × 553,256.26
  4. Step 4: Simplify right side
    960,991.91x = 733,895,983,540.09
  5. Step 5: Solve for x
    x = 733,895,983,540.09/960,991.91
  6. Step 6: Final answer
    x = 763,685.91

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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.