Home / 857,705.40-1,183,615.92-530,932.14

Finding the Fourth Proportional to 857,705.40, 1,183,615.92 and 530,932.14

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Solution

The fourth proportional to 857,705.40, 1,183,615.92 and 530,932.14 is: 732,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,705.40 : 1,183,615.92 = 530,932.14 : x
  2. Step 2: Convert to fraction form
    857,705.40/1,183,615.92 = 530,932.14/x
  3. Step 3: Cross multiply
    857,705.40x = 1,183,615.92 × 530,932.14
  4. Step 4: Simplify right side
    857,705.40x = 628,419,733,343.67
  5. Step 5: Solve for x
    x = 628,419,733,343.67/857,705.40
  6. Step 6: Final answer
    x = 732,675.50

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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.