Home / 931,636.36-1,397,454.86-291,989.73

Finding the Fourth Proportional to 931,636.36, 1,397,454.86 and 291,989.73

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Solution

The fourth proportional to 931,636.36, 1,397,454.86 and 291,989.73 is: 437,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,636.36 : 1,397,454.86 = 291,989.73 : x
  2. Step 2: Convert to fraction form
    931,636.36/1,397,454.86 = 291,989.73/x
  3. Step 3: Cross multiply
    931,636.36x = 1,397,454.86 × 291,989.73
  4. Step 4: Simplify right side
    931,636.36x = 408,042,460,271.31
  5. Step 5: Solve for x
    x = 408,042,460,271.31/931,636.36
  6. Step 6: Final answer
    x = 437,984.69

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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.