Home / 886,683.48-1,330,212.27-287,598.12

Finding the Fourth Proportional to 886,683.48, 1,330,212.27 and 287,598.12

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Solution

The fourth proportional to 886,683.48, 1,330,212.27 and 287,598.12 is: 431,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,683.48 : 1,330,212.27 = 287,598.12 : x
  2. Step 2: Convert to fraction form
    886,683.48/1,330,212.27 = 287,598.12/x
  3. Step 3: Cross multiply
    886,683.48x = 1,330,212.27 × 287,598.12
  4. Step 4: Simplify right side
    886,683.48x = 382,566,548,052.93
  5. Step 5: Solve for x
    x = 382,566,548,052.93/886,683.48
  6. Step 6: Final answer
    x = 431,457.85

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Double scale
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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.