Home / 1,019,431.17-1,529,185.64-520,211.97

Finding the Fourth Proportional to 1,019,431.17, 1,529,185.64 and 520,211.97

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Solution

The fourth proportional to 1,019,431.17, 1,529,185.64 and 520,211.97 is: 780,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,431.17 : 1,529,185.64 = 520,211.97 : x
  2. Step 2: Convert to fraction form
    1,019,431.17/1,529,185.64 = 520,211.97/x
  3. Step 3: Cross multiply
    1,019,431.17x = 1,529,185.64 × 520,211.97
  4. Step 4: Simplify right side
    1,019,431.17x = 795,500,671,679.05
  5. Step 5: Solve for x
    x = 795,500,671,679.05/1,019,431.17
  6. Step 6: Final answer
    x = 780,337.80

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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.