Home / 887,106.88-1,224,219.18-505,135.18

Finding the Fourth Proportional to 887,106.88, 1,224,219.18 and 505,135.18

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Solution

The fourth proportional to 887,106.88, 1,224,219.18 and 505,135.18 is: 697,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,106.88 : 1,224,219.18 = 505,135.18 : x
  2. Step 2: Convert to fraction form
    887,106.88/1,224,219.18 = 505,135.18/x
  3. Step 3: Cross multiply
    887,106.88x = 1,224,219.18 × 505,135.18
  4. Step 4: Simplify right side
    887,106.88x = 618,396,175,848.75
  5. Step 5: Solve for x
    x = 618,396,175,848.75/887,106.88
  6. Step 6: Final answer
    x = 697,093.20

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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.