Home / 1,057,186.03-1,585,779.05-258,458.10

Finding the Fourth Proportional to 1,057,186.03, 1,585,779.05 and 258,458.10

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Solution

The fourth proportional to 1,057,186.03, 1,585,779.05 and 258,458.10 is: 387,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,186.03 : 1,585,779.05 = 258,458.10 : x
  2. Step 2: Convert to fraction form
    1,057,186.03/1,585,779.05 = 258,458.10/x
  3. Step 3: Cross multiply
    1,057,186.03x = 1,585,779.05 × 258,458.10
  4. Step 4: Simplify right side
    1,057,186.03x = 409,857,440,282.81
  5. Step 5: Solve for x
    x = 409,857,440,282.81/1,057,186.03
  6. Step 6: Final answer
    x = 387,687.15

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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.