Home / 886,391.81-1,330,002.94-436,867.63

Finding the Fourth Proportional to 886,391.81, 1,330,002.94 and 436,867.63

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Solution

The fourth proportional to 886,391.81, 1,330,002.94 and 436,867.63 is: 655,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,391.81 : 1,330,002.94 = 436,867.63 : x
  2. Step 2: Convert to fraction form
    886,391.81/1,330,002.94 = 436,867.63/x
  3. Step 3: Cross multiply
    886,391.81x = 1,330,002.94 × 436,867.63
  4. Step 4: Simplify right side
    886,391.81x = 581,035,232,290.83
  5. Step 5: Solve for x
    x = 581,035,232,290.83/886,391.81
  6. Step 6: Final answer
    x = 655,506.09

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1.5x scale

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.