Home / 1,558,187.28-2,338,330.68-611,446.32

Finding the Fourth Proportional to 1,558,187.28, 2,338,330.68 and 611,446.32

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Solution

The fourth proportional to 1,558,187.28, 2,338,330.68 and 611,446.32 is: 917,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,187.28 : 2,338,330.68 = 611,446.32 : x
  2. Step 2: Convert to fraction form
    1,558,187.28/2,338,330.68 = 611,446.32/x
  3. Step 3: Cross multiply
    1,558,187.28x = 2,338,330.68 × 611,446.32
  4. Step 4: Simplify right side
    1,558,187.28x = 1,429,763,689,229.10
  5. Step 5: Solve for x
    x = 1,429,763,689,229.10/1,558,187.28
  6. Step 6: Final answer
    x = 917,581.42

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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.