Home / 1,105,692.07-1,525,602.68-622,080.76

Finding the Fourth Proportional to 1,105,692.07, 1,525,602.68 and 622,080.76

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Solution

The fourth proportional to 1,105,692.07, 1,525,602.68 and 622,080.76 is: 858,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,692.07 : 1,525,602.68 = 622,080.76 : x
  2. Step 2: Convert to fraction form
    1,105,692.07/1,525,602.68 = 622,080.76/x
  3. Step 3: Cross multiply
    1,105,692.07x = 1,525,602.68 × 622,080.76
  4. Step 4: Simplify right side
    1,105,692.07x = 949,048,071,151.73
  5. Step 5: Solve for x
    x = 949,048,071,151.73/1,105,692.07
  6. Step 6: Final answer
    x = 858,329.45

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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.