Home / 653,204.64-901,363.68-381,296.16

Finding the Fourth Proportional to 653,204.64, 901,363.68 and 381,296.16

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Solution

The fourth proportional to 653,204.64, 901,363.68 and 381,296.16 is: 526,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,204.64 : 901,363.68 = 381,296.16 : x
  2. Step 2: Convert to fraction form
    653,204.64/901,363.68 = 381,296.16/x
  3. Step 3: Cross multiply
    653,204.64x = 901,363.68 × 381,296.16
  4. Step 4: Simplify right side
    653,204.64x = 343,686,509,947.47
  5. Step 5: Solve for x
    x = 343,686,509,947.47/653,204.64
  6. Step 6: Final answer
    x = 526,154.42

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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.