Home / 1,197,897.80-1,796,190.60-487,122.80

Finding the Fourth Proportional to 1,197,897.80, 1,796,190.60 and 487,122.80

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Solution

The fourth proportional to 1,197,897.80, 1,796,190.60 and 487,122.80 is: 730,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,897.80 : 1,796,190.60 = 487,122.80 : x
  2. Step 2: Convert to fraction form
    1,197,897.80/1,796,190.60 = 487,122.80/x
  3. Step 3: Cross multiply
    1,197,897.80x = 1,796,190.60 × 487,122.80
  4. Step 4: Simplify right side
    1,197,897.80x = 874,965,394,405.68
  5. Step 5: Solve for x
    x = 874,965,394,405.68/1,197,897.80
  6. Step 6: Final answer
    x = 730,417.40

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Double scale
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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.