Home / 695,548.80-1,043,323.20-577,450.80

Finding the Fourth Proportional to 695,548.80, 1,043,323.20 and 577,450.80

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Solution

The fourth proportional to 695,548.80, 1,043,323.20 and 577,450.80 is: 866,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,548.80 : 1,043,323.20 = 577,450.80 : x
  2. Step 2: Convert to fraction form
    695,548.80/1,043,323.20 = 577,450.80/x
  3. Step 3: Cross multiply
    695,548.80x = 1,043,323.20 × 577,450.80
  4. Step 4: Simplify right side
    695,548.80x = 602,467,816,498.56
  5. Step 5: Solve for x
    x = 602,467,816,498.56/695,548.80
  6. Step 6: Final answer
    x = 866,176.20

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Double scale
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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.