Home / 870,416.22-1,304,682.66-365,251.62

Finding the Fourth Proportional to 870,416.22, 1,304,682.66 and 365,251.62

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Solution

The fourth proportional to 870,416.22, 1,304,682.66 and 365,251.62 is: 547,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,416.22 : 1,304,682.66 = 365,251.62 : x
  2. Step 2: Convert to fraction form
    870,416.22/1,304,682.66 = 365,251.62/x
  3. Step 3: Cross multiply
    870,416.22x = 1,304,682.66 × 365,251.62
  4. Step 4: Simplify right side
    870,416.22x = 476,537,455,150.91
  5. Step 5: Solve for x
    x = 476,537,455,150.91/870,416.22
  6. Step 6: Final answer
    x = 547,482.28

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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.