Home / 886,412.20-1,328,840.70-531,567.40

Finding the Fourth Proportional to 886,412.20, 1,328,840.70 and 531,567.40

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Solution

The fourth proportional to 886,412.20, 1,328,840.70 and 531,567.40 is: 796,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,412.20 : 1,328,840.70 = 531,567.40 : x
  2. Step 2: Convert to fraction form
    886,412.20/1,328,840.70 = 531,567.40/x
  3. Step 3: Cross multiply
    886,412.20x = 1,328,840.70 × 531,567.40
  4. Step 4: Simplify right side
    886,412.20x = 706,368,395,913.18
  5. Step 5: Solve for x
    x = 706,368,395,913.18/886,412.20
  6. Step 6: Final answer
    x = 796,884.79

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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.