Home / 937,121.09-1,293,227.71-507,401.51

Finding the Fourth Proportional to 937,121.09, 1,293,227.71 and 507,401.51

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Solution

The fourth proportional to 937,121.09, 1,293,227.71 and 507,401.51 is: 700,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,121.09 : 1,293,227.71 = 507,401.51 : x
  2. Step 2: Convert to fraction form
    937,121.09/1,293,227.71 = 507,401.51/x
  3. Step 3: Cross multiply
    937,121.09x = 1,293,227.71 × 507,401.51
  4. Step 4: Simplify right side
    937,121.09x = 656,185,685,093.20
  5. Step 5: Solve for x
    x = 656,185,685,093.20/937,121.09
  6. Step 6: Final answer
    x = 700,214.41

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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.