Home / 807,807.06-1,114,758.90-440,287.38

Finding the Fourth Proportional to 807,807.06, 1,114,758.90 and 440,287.38

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Solution

The fourth proportional to 807,807.06, 1,114,758.90 and 440,287.38 is: 607,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,807.06 : 1,114,758.90 = 440,287.38 : x
  2. Step 2: Convert to fraction form
    807,807.06/1,114,758.90 = 440,287.38/x
  3. Step 3: Cross multiply
    807,807.06x = 1,114,758.90 × 440,287.38
  4. Step 4: Simplify right side
    807,807.06x = 490,814,275,412.68
  5. Step 5: Solve for x
    x = 490,814,275,412.68/807,807.06
  6. Step 6: Final answer
    x = 607,588.49

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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.