Home / 748,399.04-1,122,773.88-511,853.12

Finding the Fourth Proportional to 748,399.04, 1,122,773.88 and 511,853.12

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Solution

The fourth proportional to 748,399.04, 1,122,773.88 and 511,853.12 is: 767,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,399.04 : 1,122,773.88 = 511,853.12 : x
  2. Step 2: Convert to fraction form
    748,399.04/1,122,773.88 = 511,853.12/x
  3. Step 3: Cross multiply
    748,399.04x = 1,122,773.88 × 511,853.12
  4. Step 4: Simplify right side
    748,399.04x = 574,695,313,532.51
  5. Step 5: Solve for x
    x = 574,695,313,532.51/748,399.04
  6. Step 6: Final answer
    x = 767,899.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.