Home / 722,731.02-1,084,268.79-249,420.48

Finding the Fourth Proportional to 722,731.02, 1,084,268.79 and 249,420.48

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Solution

The fourth proportional to 722,731.02, 1,084,268.79 and 249,420.48 is: 374,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,731.02 : 1,084,268.79 = 249,420.48 : x
  2. Step 2: Convert to fraction form
    722,731.02/1,084,268.79 = 249,420.48/x
  3. Step 3: Cross multiply
    722,731.02x = 1,084,268.79 × 249,420.48
  4. Step 4: Simplify right side
    722,731.02x = 270,438,842,050.82
  5. Step 5: Solve for x
    x = 270,438,842,050.82/722,731.02
  6. Step 6: Final answer
    x = 374,190.17

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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.