Home / 554,971.04-765,777.94-325,441.72

Finding the Fourth Proportional to 554,971.04, 765,777.94 and 325,441.72

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Solution

The fourth proportional to 554,971.04, 765,777.94 and 325,441.72 is: 449,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,971.04 : 765,777.94 = 325,441.72 : x
  2. Step 2: Convert to fraction form
    554,971.04/765,777.94 = 325,441.72/x
  3. Step 3: Cross multiply
    554,971.04x = 765,777.94 × 325,441.72
  4. Step 4: Simplify right side
    554,971.04x = 249,216,089,931.66
  5. Step 5: Solve for x
    x = 249,216,089,931.66/554,971.04
  6. Step 6: Final answer
    x = 449,061.43

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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.