Home / 887,108.88-1,224,221.94-505,137.18

Finding the Fourth Proportional to 887,108.88, 1,224,221.94 and 505,137.18

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Solution

The fourth proportional to 887,108.88, 1,224,221.94 and 505,137.18 is: 697,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,108.88 : 1,224,221.94 = 505,137.18 : x
  2. Step 2: Convert to fraction form
    887,108.88/1,224,221.94 = 505,137.18/x
  3. Step 3: Cross multiply
    887,108.88x = 1,224,221.94 × 505,137.18
  4. Step 4: Simplify right side
    887,108.88x = 618,400,018,465.73
  5. Step 5: Solve for x
    x = 618,400,018,465.73/887,108.88
  6. Step 6: Final answer
    x = 697,095.96

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Double scale
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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.