Home / 1,105,202.39-1,525,176.68-621,767.39

Finding the Fourth Proportional to 1,105,202.39, 1,525,176.68 and 621,767.39

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Solution

The fourth proportional to 1,105,202.39, 1,525,176.68 and 621,767.39 is: 858,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,202.39 : 1,525,176.68 = 621,767.39 : x
  2. Step 2: Convert to fraction form
    1,105,202.39/1,525,176.68 = 621,767.39/x
  3. Step 3: Cross multiply
    1,105,202.39x = 1,525,176.68 × 621,767.39
  4. Step 4: Simplify right side
    1,105,202.39x = 948,305,112,877.75
  5. Step 5: Solve for x
    x = 948,305,112,877.75/1,105,202.39
  6. Step 6: Final answer
    x = 858,037.52

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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.