Home / 554,464.44-765,160.02-312,746.27

Finding the Fourth Proportional to 554,464.44, 765,160.02 and 312,746.27

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Solution

The fourth proportional to 554,464.44, 765,160.02 and 312,746.27 is: 431,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,464.44 : 765,160.02 = 312,746.27 : x
  2. Step 2: Convert to fraction form
    554,464.44/765,160.02 = 312,746.27/x
  3. Step 3: Cross multiply
    554,464.44x = 765,160.02 × 312,746.27
  4. Step 4: Simplify right side
    554,464.44x = 239,300,938,382.33
  5. Step 5: Solve for x
    x = 239,300,938,382.33/554,464.44
  6. Step 6: Final answer
    x = 431,589.33

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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.