Home / 1,105,776.39-1,525,806.83-622,312.70

Finding the Fourth Proportional to 1,105,776.39, 1,525,806.83 and 622,312.70

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Solution

The fourth proportional to 1,105,776.39, 1,525,806.83 and 622,312.70 is: 858,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,776.39 : 1,525,806.83 = 622,312.70 : x
  2. Step 2: Convert to fraction form
    1,105,776.39/1,525,806.83 = 622,312.70/x
  3. Step 3: Cross multiply
    1,105,776.39x = 1,525,806.83 × 622,312.70
  4. Step 4: Simplify right side
    1,105,776.39x = 949,528,968,055.74
  5. Step 5: Solve for x
    x = 949,528,968,055.74/1,105,776.39
  6. Step 6: Final answer
    x = 858,698.90

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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.