Home / 804,941.30-1,207,411.95-243,902.90

Finding the Fourth Proportional to 804,941.30, 1,207,411.95 and 243,902.90

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Solution

The fourth proportional to 804,941.30, 1,207,411.95 and 243,902.90 is: 365,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,941.30 : 1,207,411.95 = 243,902.90 : x
  2. Step 2: Convert to fraction form
    804,941.30/1,207,411.95 = 243,902.90/x
  3. Step 3: Cross multiply
    804,941.30x = 1,207,411.95 × 243,902.90
  4. Step 4: Simplify right side
    804,941.30x = 294,491,276,099.66
  5. Step 5: Solve for x
    x = 294,491,276,099.66/804,941.30
  6. Step 6: Final answer
    x = 365,854.35

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Half scale
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Double scale
Find fourth proportional to 804,942.30, 1,207,413.45 and 243,903.90
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.