Home / 862,852.77-1,294,279.15-263,813.93

Finding the Fourth Proportional to 862,852.77, 1,294,279.15 and 263,813.93

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Solution

The fourth proportional to 862,852.77, 1,294,279.15 and 263,813.93 is: 395,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,852.77 : 1,294,279.15 = 263,813.93 : x
  2. Step 2: Convert to fraction form
    862,852.77/1,294,279.15 = 263,813.93/x
  3. Step 3: Cross multiply
    862,852.77x = 1,294,279.15 × 263,813.93
  4. Step 4: Simplify right side
    862,852.77x = 341,448,862,607.16
  5. Step 5: Solve for x
    x = 341,448,862,607.16/862,852.77
  6. Step 6: Final answer
    x = 395,720.89

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Similar ratio
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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.