Home / 693,052.12-956,415.26-387,141.39

Finding the Fourth Proportional to 693,052.12, 956,415.26 and 387,141.39

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Solution

The fourth proportional to 693,052.12, 956,415.26 and 387,141.39 is: 534,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,052.12 : 956,415.26 = 387,141.39 : x
  2. Step 2: Convert to fraction form
    693,052.12/956,415.26 = 387,141.39/x
  3. Step 3: Cross multiply
    693,052.12x = 956,415.26 × 387,141.39
  4. Step 4: Simplify right side
    693,052.12x = 370,267,933,173.61
  5. Step 5: Solve for x
    x = 370,267,933,173.61/693,052.12
  6. Step 6: Final answer
    x = 534,256.98

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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.