Home / 887,090.88-1,224,186.24-505,116.48

Finding the Fourth Proportional to 887,090.88, 1,224,186.24 and 505,116.48

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Solution

The fourth proportional to 887,090.88, 1,224,186.24 and 505,116.48 is: 697,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,090.88 : 1,224,186.24 = 505,116.48 : x
  2. Step 2: Convert to fraction form
    887,090.88/1,224,186.24 = 505,116.48/x
  3. Step 3: Cross multiply
    887,090.88x = 1,224,186.24 × 505,116.48
  4. Step 4: Simplify right side
    887,090.88x = 618,356,644,413.24
  5. Step 5: Solve for x
    x = 618,356,644,413.24/887,090.88
  6. Step 6: Final answer
    x = 697,061.21

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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.