Home / 1,056,907.32-1,585,355.40-258,193.32

Finding the Fourth Proportional to 1,056,907.32, 1,585,355.40 and 258,193.32

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Solution

The fourth proportional to 1,056,907.32, 1,585,355.40 and 258,193.32 is: 387,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,907.32 : 1,585,355.40 = 258,193.32 : x
  2. Step 2: Convert to fraction form
    1,056,907.32/1,585,355.40 = 258,193.32/x
  3. Step 3: Cross multiply
    1,056,907.32x = 1,585,355.40 × 258,193.32
  4. Step 4: Simplify right side
    1,056,907.32x = 409,328,174,105.93
  5. Step 5: Solve for x
    x = 409,328,174,105.93/1,056,907.32
  6. Step 6: Final answer
    x = 387,288.62

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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.