Home / 1,105,775.39-1,525,805.45-622,311.70

Finding the Fourth Proportional to 1,105,775.39, 1,525,805.45 and 622,311.70

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Solution

The fourth proportional to 1,105,775.39, 1,525,805.45 and 622,311.70 is: 858,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,775.39 : 1,525,805.45 = 622,311.70 : x
  2. Step 2: Convert to fraction form
    1,105,775.39/1,525,805.45 = 622,311.70/x
  3. Step 3: Cross multiply
    1,105,775.39x = 1,525,805.45 × 622,311.70
  4. Step 4: Simplify right side
    1,105,775.39x = 949,526,588,829.06
  5. Step 5: Solve for x
    x = 949,526,588,829.06/1,105,775.39
  6. Step 6: Final answer
    x = 858,697.52

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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.