Home / 375,322.06-561,570.55-263,221.10

Finding the Fourth Proportional to 375,322.06, 561,570.55 and 263,221.10

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Solution

The fourth proportional to 375,322.06, 561,570.55 and 263,221.10 is: 393,841.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,322.06 : 561,570.55 = 263,221.10 : x
  2. Step 2: Convert to fraction form
    375,322.06/561,570.55 = 263,221.10/x
  3. Step 3: Cross multiply
    375,322.06x = 561,570.55 × 263,221.10
  4. Step 4: Simplify right side
    375,322.06x = 147,817,217,898.61
  5. Step 5: Solve for x
    x = 147,817,217,898.61/375,322.06
  6. Step 6: Final answer
    x = 393,841.01

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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.