Home / 693,185.72-956,596.20-387,262.17

Finding the Fourth Proportional to 693,185.72, 956,596.20 and 387,262.17

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Solution

The fourth proportional to 693,185.72, 956,596.20 and 387,262.17 is: 534,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,185.72 : 956,596.20 = 387,262.17 : x
  2. Step 2: Convert to fraction form
    693,185.72/956,596.20 = 387,262.17/x
  3. Step 3: Cross multiply
    693,185.72x = 956,596.20 × 387,262.17
  4. Step 4: Simplify right side
    693,185.72x = 370,453,518,773.52
  5. Step 5: Solve for x
    x = 370,453,518,773.52/693,185.72
  6. Step 6: Final answer
    x = 534,421.74

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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.