Home / 709,005.40-1,063,605.30-235,641.40

Finding the Fourth Proportional to 709,005.40, 1,063,605.30 and 235,641.40

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Solution

The fourth proportional to 709,005.40, 1,063,605.30 and 235,641.40 is: 353,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,005.40 : 1,063,605.30 = 235,641.40 : x
  2. Step 2: Convert to fraction form
    709,005.40/1,063,605.30 = 235,641.40/x
  3. Step 3: Cross multiply
    709,005.40x = 1,063,605.30 × 235,641.40
  4. Step 4: Simplify right side
    709,005.40x = 250,629,441,939.42
  5. Step 5: Solve for x
    x = 250,629,441,939.42/709,005.40
  6. Step 6: Final answer
    x = 353,494.40

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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.