Home / 554,589.02-765,332.88-299,940.14

Finding the Fourth Proportional to 554,589.02, 765,332.88 and 299,940.14

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Solution

The fourth proportional to 554,589.02, 765,332.88 and 299,940.14 is: 413,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,589.02 : 765,332.88 = 299,940.14 : x
  2. Step 2: Convert to fraction form
    554,589.02/765,332.88 = 299,940.14/x
  3. Step 3: Cross multiply
    554,589.02x = 765,332.88 × 299,940.14
  4. Step 4: Simplify right side
    554,589.02x = 229,554,051,173.80
  5. Step 5: Solve for x
    x = 229,554,051,173.80/554,589.02
  6. Step 6: Final answer
    x = 413,917.41

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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.