Home / 772,638.60-1,158,957.90-536,442.60

Finding the Fourth Proportional to 772,638.60, 1,158,957.90 and 536,442.60

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Solution

The fourth proportional to 772,638.60, 1,158,957.90 and 536,442.60 is: 804,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,638.60 : 1,158,957.90 = 536,442.60 : x
  2. Step 2: Convert to fraction form
    772,638.60/1,158,957.90 = 536,442.60/x
  3. Step 3: Cross multiply
    772,638.60x = 1,158,957.90 × 536,442.60
  4. Step 4: Simplify right side
    772,638.60x = 621,714,389,166.54
  5. Step 5: Solve for x
    x = 621,714,389,166.54/772,638.60
  6. Step 6: Final answer
    x = 804,663.90

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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.