Home / 476,681.40-657,818.82-261,834.84

Finding the Fourth Proportional to 476,681.40, 657,818.82 and 261,834.84

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Solution

The fourth proportional to 476,681.40, 657,818.82 and 261,834.84 is: 361,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,681.40 : 657,818.82 = 261,834.84 : x
  2. Step 2: Convert to fraction form
    476,681.40/657,818.82 = 261,834.84/x
  3. Step 3: Cross multiply
    476,681.40x = 657,818.82 × 261,834.84
  4. Step 4: Simplify right side
    476,681.40x = 172,239,885,483.69
  5. Step 5: Solve for x
    x = 172,239,885,483.69/476,681.40
  6. Step 6: Final answer
    x = 361,331.25

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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.