Home / 935,803.40-1,403,705.10-921,806.60

Finding the Fourth Proportional to 935,803.40, 1,403,705.10 and 921,806.60

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Solution

The fourth proportional to 935,803.40, 1,403,705.10 and 921,806.60 is: 1,382,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,803.40 : 1,403,705.10 = 921,806.60 : x
  2. Step 2: Convert to fraction form
    935,803.40/1,403,705.10 = 921,806.60/x
  3. Step 3: Cross multiply
    935,803.40x = 1,403,705.10 × 921,806.60
  4. Step 4: Simplify right side
    935,803.40x = 1,293,944,625,633.66
  5. Step 5: Solve for x
    x = 1,293,944,625,633.66/935,803.40
  6. Step 6: Final answer
    x = 1,382,709.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.