Home / 798,552.40-1,197,828.60-515,117.20

Finding the Fourth Proportional to 798,552.40, 1,197,828.60 and 515,117.20

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Solution

The fourth proportional to 798,552.40, 1,197,828.60 and 515,117.20 is: 772,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,552.40 : 1,197,828.60 = 515,117.20 : x
  2. Step 2: Convert to fraction form
    798,552.40/1,197,828.60 = 515,117.20/x
  3. Step 3: Cross multiply
    798,552.40x = 1,197,828.60 × 515,117.20
  4. Step 4: Simplify right side
    798,552.40x = 617,022,114,511.92
  5. Step 5: Solve for x
    x = 617,022,114,511.92/798,552.40
  6. Step 6: Final answer
    x = 772,675.80

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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.