Home / 1,131,816.04-1,561,890.60-615,558.69

Finding the Fourth Proportional to 1,131,816.04, 1,561,890.60 and 615,558.69

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Solution

The fourth proportional to 1,131,816.04, 1,561,890.60 and 615,558.69 is: 849,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,816.04 : 1,561,890.60 = 615,558.69 : x
  2. Step 2: Convert to fraction form
    1,131,816.04/1,561,890.60 = 615,558.69/x
  3. Step 3: Cross multiply
    1,131,816.04x = 1,561,890.60 × 615,558.69
  4. Step 4: Simplify right side
    1,131,816.04x = 961,435,331,659.31
  5. Step 5: Solve for x
    x = 961,435,331,659.31/1,131,816.04
  6. Step 6: Final answer
    x = 849,462.54

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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.