Home / 848,342.20-1,272,513.30-753,863.80

Finding the Fourth Proportional to 848,342.20, 1,272,513.30 and 753,863.80

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Solution

The fourth proportional to 848,342.20, 1,272,513.30 and 753,863.80 is: 1,130,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,342.20 : 1,272,513.30 = 753,863.80 : x
  2. Step 2: Convert to fraction form
    848,342.20/1,272,513.30 = 753,863.80/x
  3. Step 3: Cross multiply
    848,342.20x = 1,272,513.30 × 753,863.80
  4. Step 4: Simplify right side
    848,342.20x = 959,301,711,888.54
  5. Step 5: Solve for x
    x = 959,301,711,888.54/848,342.20
  6. Step 6: Final answer
    x = 1,130,795.70

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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.