Home / 950,319.49-1,311,112.24-720,637.51

Finding the Fourth Proportional to 950,319.49, 1,311,112.24 and 720,637.51

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Solution

The fourth proportional to 950,319.49, 1,311,112.24 and 720,637.51 is: 994,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,319.49 : 1,311,112.24 = 720,637.51 : x
  2. Step 2: Convert to fraction form
    950,319.49/1,311,112.24 = 720,637.51/x
  3. Step 3: Cross multiply
    950,319.49x = 1,311,112.24 × 720,637.51
  4. Step 4: Simplify right side
    950,319.49x = 944,836,657,343.08
  5. Step 5: Solve for x
    x = 944,836,657,343.08/950,319.49
  6. Step 6: Final answer
    x = 994,230.54

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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.