Home / 1,015,795.42-1,401,314.65-607,815.09

Finding the Fourth Proportional to 1,015,795.42, 1,401,314.65 and 607,815.09

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Solution

The fourth proportional to 1,015,795.42, 1,401,314.65 and 607,815.09 is: 838,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,795.42 : 1,401,314.65 = 607,815.09 : x
  2. Step 2: Convert to fraction form
    1,015,795.42/1,401,314.65 = 607,815.09/x
  3. Step 3: Cross multiply
    1,015,795.42x = 1,401,314.65 × 607,815.09
  4. Step 4: Simplify right side
    1,015,795.42x = 851,740,188,588.53
  5. Step 5: Solve for x
    x = 851,740,188,588.53/1,015,795.42
  6. Step 6: Final answer
    x = 838,495.80

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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.