Home / 1,105,775.82-1,525,806.09-622,312.20

Finding the Fourth Proportional to 1,105,775.82, 1,525,806.09 and 622,312.20

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Solution

The fourth proportional to 1,105,775.82, 1,525,806.09 and 622,312.20 is: 858,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,775.82 : 1,525,806.09 = 622,312.20 : x
  2. Step 2: Convert to fraction form
    1,105,775.82/1,525,806.09 = 622,312.20/x
  3. Step 3: Cross multiply
    1,105,775.82x = 1,525,806.09 × 622,312.20
  4. Step 4: Simplify right side
    1,105,775.82x = 949,527,744,641.30
  5. Step 5: Solve for x
    x = 949,527,744,641.30/1,105,775.82
  6. Step 6: Final answer
    x = 858,698.23

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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.