Home / 1,121,069.44-1,681,588.36-521,695.36

Finding the Fourth Proportional to 1,121,069.44, 1,681,588.36 and 521,695.36

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Solution

The fourth proportional to 1,121,069.44, 1,681,588.36 and 521,695.36 is: 782,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,069.44 : 1,681,588.36 = 521,695.36 : x
  2. Step 2: Convert to fraction form
    1,121,069.44/1,681,588.36 = 521,695.36/x
  3. Step 3: Cross multiply
    1,121,069.44x = 1,681,588.36 × 521,695.36
  4. Step 4: Simplify right side
    1,121,069.44x = 877,276,839,333.80
  5. Step 5: Solve for x
    x = 877,276,839,333.80/1,121,069.44
  6. Step 6: Final answer
    x = 782,535.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.