Home / 935,814.90-1,403,722.35-921,818.10

Finding the Fourth Proportional to 935,814.90, 1,403,722.35 and 921,818.10

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Solution

The fourth proportional to 935,814.90, 1,403,722.35 and 921,818.10 is: 1,382,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,814.90 : 1,403,722.35 = 921,818.10 : x
  2. Step 2: Convert to fraction form
    935,814.90/1,403,722.35 = 921,818.10/x
  3. Step 3: Cross multiply
    935,814.90x = 1,403,722.35 × 921,818.10
  4. Step 4: Simplify right side
    935,814.90x = 1,293,976,669,604.54
  5. Step 5: Solve for x
    x = 1,293,976,669,604.54/935,814.90
  6. Step 6: Final answer
    x = 1,382,727.15

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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.