Home / 693,290.14-956,733.80-387,419.22

Finding the Fourth Proportional to 693,290.14, 956,733.80 and 387,419.22

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Solution

The fourth proportional to 693,290.14, 956,733.80 and 387,419.22 is: 534,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,290.14 : 956,733.80 = 387,419.22 : x
  2. Step 2: Convert to fraction form
    693,290.14/956,733.80 = 387,419.22/x
  3. Step 3: Cross multiply
    693,290.14x = 956,733.80 × 387,419.22
  4. Step 4: Simplify right side
    693,290.14x = 370,657,060,606.54
  5. Step 5: Solve for x
    x = 370,657,060,606.54/693,290.14
  6. Step 6: Final answer
    x = 534,634.84

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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.