Home / 886,392.31-1,330,003.69-436,868.13

Finding the Fourth Proportional to 886,392.31, 1,330,003.69 and 436,868.13

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Solution

The fourth proportional to 886,392.31, 1,330,003.69 and 436,868.13 is: 655,506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,392.31 : 1,330,003.69 = 436,868.13 : x
  2. Step 2: Convert to fraction form
    886,392.31/1,330,003.69 = 436,868.13/x
  3. Step 3: Cross multiply
    886,392.31x = 1,330,003.69 × 436,868.13
  4. Step 4: Simplify right side
    886,392.31x = 581,036,224,943.40
  5. Step 5: Solve for x
    x = 581,036,224,943.40/886,392.31
  6. Step 6: Final answer
    x = 655,506.84

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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.