Home / 931,641.17-1,397,462.09-291,994.54

Finding the Fourth Proportional to 931,641.17, 1,397,462.09 and 291,994.54

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Solution

The fourth proportional to 931,641.17, 1,397,462.09 and 291,994.54 is: 437,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,641.17 : 1,397,462.09 = 291,994.54 : x
  2. Step 2: Convert to fraction form
    931,641.17/1,397,462.09 = 291,994.54/x
  3. Step 3: Cross multiply
    931,641.17x = 1,397,462.09 × 291,994.54
  4. Step 4: Simplify right side
    931,641.17x = 408,051,295,183.36
  5. Step 5: Solve for x
    x = 408,051,295,183.36/931,641.17
  6. Step 6: Final answer
    x = 437,991.91

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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.