Home / 772,636.60-1,158,954.90-536,440.60

Finding the Fourth Proportional to 772,636.60, 1,158,954.90 and 536,440.60

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Solution

The fourth proportional to 772,636.60, 1,158,954.90 and 536,440.60 is: 804,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,636.60 : 1,158,954.90 = 536,440.60 : x
  2. Step 2: Convert to fraction form
    772,636.60/1,158,954.90 = 536,440.60/x
  3. Step 3: Cross multiply
    772,636.60x = 1,158,954.90 × 536,440.60
  4. Step 4: Simplify right side
    772,636.60x = 621,710,461,928.94
  5. Step 5: Solve for x
    x = 621,710,461,928.94/772,636.60
  6. Step 6: Final answer
    x = 804,660.90

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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.