Home / 798,141.60-1,197,212.40-378,237.60

Finding the Fourth Proportional to 798,141.60, 1,197,212.40 and 378,237.60

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Solution

The fourth proportional to 798,141.60, 1,197,212.40 and 378,237.60 is: 567,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,141.60 : 1,197,212.40 = 378,237.60 : x
  2. Step 2: Convert to fraction form
    798,141.60/1,197,212.40 = 378,237.60/x
  3. Step 3: Cross multiply
    798,141.60x = 1,197,212.40 × 378,237.60
  4. Step 4: Simplify right side
    798,141.60x = 452,830,744,866.24
  5. Step 5: Solve for x
    x = 452,830,744,866.24/798,141.60
  6. Step 6: Final answer
    x = 567,356.40

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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.