Home / 936,912.68-1,405,368.82-510,806.88

Finding the Fourth Proportional to 936,912.68, 1,405,368.82 and 510,806.88

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Solution

The fourth proportional to 936,912.68, 1,405,368.82 and 510,806.88 is: 766,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,912.68 : 1,405,368.82 = 510,806.88 : x
  2. Step 2: Convert to fraction form
    936,912.68/1,405,368.82 = 510,806.88/x
  3. Step 3: Cross multiply
    936,912.68x = 1,405,368.82 × 510,806.88
  4. Step 4: Simplify right side
    936,912.68x = 717,872,062,193.48
  5. Step 5: Solve for x
    x = 717,872,062,193.48/936,912.68
  6. Step 6: Final answer
    x = 766,210.21

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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.