Home / 758,631.13-1,137,151.81-353,489.31

Finding the Fourth Proportional to 758,631.13, 1,137,151.81 and 353,489.31

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Solution

The fourth proportional to 758,631.13, 1,137,151.81 and 353,489.31 is: 529,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,631.13 : 1,137,151.81 = 353,489.31 : x
  2. Step 2: Convert to fraction form
    758,631.13/1,137,151.81 = 353,489.31/x
  3. Step 3: Cross multiply
    758,631.13x = 1,137,151.81 × 353,489.31
  4. Step 4: Simplify right side
    758,631.13x = 401,971,006,914.71
  5. Step 5: Solve for x
    x = 401,971,006,914.71/758,631.13
  6. Step 6: Final answer
    x = 529,863.58

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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.