Home / 1,053,688.70-1,580,356.27-379,644.37

Finding the Fourth Proportional to 1,053,688.70, 1,580,356.27 and 379,644.37

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Solution

The fourth proportional to 1,053,688.70, 1,580,356.27 and 379,644.37 is: 569,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,688.70 : 1,580,356.27 = 379,644.37 : x
  2. Step 2: Convert to fraction form
    1,053,688.70/1,580,356.27 = 379,644.37/x
  3. Step 3: Cross multiply
    1,053,688.70x = 1,580,356.27 × 379,644.37
  4. Step 4: Simplify right side
    1,053,688.70x = 599,973,357,023.37
  5. Step 5: Solve for x
    x = 599,973,357,023.37/1,053,688.70
  6. Step 6: Final answer
    x = 569,402.86

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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.