Home / 786,050.40-1,179,305.28-253,559.68

Finding the Fourth Proportional to 786,050.40, 1,179,305.28 and 253,559.68

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Solution

The fourth proportional to 786,050.40, 1,179,305.28 and 253,559.68 is: 380,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,050.40 : 1,179,305.28 = 253,559.68 : x
  2. Step 2: Convert to fraction form
    786,050.40/1,179,305.28 = 253,559.68/x
  3. Step 3: Cross multiply
    786,050.40x = 1,179,305.28 × 253,559.68
  4. Step 4: Simplify right side
    786,050.40x = 299,024,269,419.11
  5. Step 5: Solve for x
    x = 299,024,269,419.11/786,050.40
  6. Step 6: Final answer
    x = 380,413.61

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Double scale
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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.