Home / 671,675.23-926,668.39-381,118.53

Finding the Fourth Proportional to 671,675.23, 926,668.39 and 381,118.53

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Solution

The fourth proportional to 671,675.23, 926,668.39 and 381,118.53 is: 525,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,675.23 : 926,668.39 = 381,118.53 : x
  2. Step 2: Convert to fraction form
    671,675.23/926,668.39 = 381,118.53/x
  3. Step 3: Cross multiply
    671,675.23x = 926,668.39 × 381,118.53
  4. Step 4: Simplify right side
    671,675.23x = 353,170,493,385.74
  5. Step 5: Solve for x
    x = 353,170,493,385.74/671,675.23
  6. Step 6: Final answer
    x = 525,805.45

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1.5x scale

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.