Home / 843,242.36-1,164,235.77-499,188.96

Finding the Fourth Proportional to 843,242.36, 1,164,235.77 and 499,188.96

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Solution

The fourth proportional to 843,242.36, 1,164,235.77 and 499,188.96 is: 689,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,242.36 : 1,164,235.77 = 499,188.96 : x
  2. Step 2: Convert to fraction form
    843,242.36/1,164,235.77 = 499,188.96/x
  3. Step 3: Cross multiply
    843,242.36x = 1,164,235.77 × 499,188.96
  4. Step 4: Simplify right side
    843,242.36x = 581,173,643,221.10
  5. Step 5: Solve for x
    x = 581,173,643,221.10/843,242.36
  6. Step 6: Final answer
    x = 689,213.06

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1.5x scale

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.