Home / 469,966.08-648,567.70-276,338.82

Finding the Fourth Proportional to 469,966.08, 648,567.70 and 276,338.82

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Solution

The fourth proportional to 469,966.08, 648,567.70 and 276,338.82 is: 381,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,966.08 : 648,567.70 = 276,338.82 : x
  2. Step 2: Convert to fraction form
    469,966.08/648,567.70 = 276,338.82/x
  3. Step 3: Cross multiply
    469,966.08x = 648,567.70 × 276,338.82
  4. Step 4: Simplify right side
    469,966.08x = 179,224,432,908.11
  5. Step 5: Solve for x
    x = 179,224,432,908.11/469,966.08
  6. Step 6: Final answer
    x = 381,356.10

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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.