Home / 1,103,685.11-1,522,137-716,118.63

Finding the Fourth Proportional to 1,103,685.11, 1,522,137 and 716,118.63

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Solution

The fourth proportional to 1,103,685.11, 1,522,137 and 716,118.63 is: 987,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,685.11 : 1,522,137 = 716,118.63 : x
  2. Step 2: Convert to fraction form
    1,103,685.11/1,522,137 = 716,118.63/x
  3. Step 3: Cross multiply
    1,103,685.11x = 1,522,137 × 716,118.63
  4. Step 4: Simplify right side
    1,103,685.11x = 1,090,030,663,112.31
  5. Step 5: Solve for x
    x = 1,090,030,663,112.31/1,103,685.11
  6. Step 6: Final answer
    x = 987,628.31

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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.