Home / 887,097.88-1,224,206.76-505,126.18

Finding the Fourth Proportional to 887,097.88, 1,224,206.76 and 505,126.18

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Solution

The fourth proportional to 887,097.88, 1,224,206.76 and 505,126.18 is: 697,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,097.88 : 1,224,206.76 = 505,126.18 : x
  2. Step 2: Convert to fraction form
    887,097.88/1,224,206.76 = 505,126.18/x
  3. Step 3: Cross multiply
    887,097.88x = 1,224,206.76 × 505,126.18
  4. Step 4: Simplify right side
    887,097.88x = 618,378,884,208.98
  5. Step 5: Solve for x
    x = 618,378,884,208.98/887,097.88
  6. Step 6: Final answer
    x = 697,080.78

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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.