Home / 469,905.81-648,463.03-265,995.40

Finding the Fourth Proportional to 469,905.81, 648,463.03 and 265,995.40

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Solution

The fourth proportional to 469,905.81, 648,463.03 and 265,995.40 is: 367,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,905.81 : 648,463.03 = 265,995.40 : x
  2. Step 2: Convert to fraction form
    469,905.81/648,463.03 = 265,995.40/x
  3. Step 3: Cross multiply
    469,905.81x = 648,463.03 × 265,995.40
  4. Step 4: Simplify right side
    469,905.81x = 172,488,180,763.92
  5. Step 5: Solve for x
    x = 172,488,180,763.92/469,905.81
  6. Step 6: Final answer
    x = 367,069.69

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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.