Home / 1,009,195.74-1,392,253.11-579,377.34

Finding the Fourth Proportional to 1,009,195.74, 1,392,253.11 and 579,377.34

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Solution

The fourth proportional to 1,009,195.74, 1,392,253.11 and 579,377.34 is: 799,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,195.74 : 1,392,253.11 = 579,377.34 : x
  2. Step 2: Convert to fraction form
    1,009,195.74/1,392,253.11 = 579,377.34/x
  3. Step 3: Cross multiply
    1,009,195.74x = 1,392,253.11 × 579,377.34
  4. Step 4: Simplify right side
    1,009,195.74x = 806,639,903,478.53
  5. Step 5: Solve for x
    x = 806,639,903,478.53/1,009,195.74
  6. Step 6: Final answer
    x = 799,289.84

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Double scale
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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.