Home / 961,014.90-1,326,143.56-531,269.40

Finding the Fourth Proportional to 961,014.90, 1,326,143.56 and 531,269.40

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Solution

The fourth proportional to 961,014.90, 1,326,143.56 and 531,269.40 is: 733,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,014.90 : 1,326,143.56 = 531,269.40 : x
  2. Step 2: Convert to fraction form
    961,014.90/1,326,143.56 = 531,269.40/x
  3. Step 3: Cross multiply
    961,014.90x = 1,326,143.56 × 531,269.40
  4. Step 4: Simplify right side
    961,014.90x = 704,539,484,148.00
  5. Step 5: Solve for x
    x = 704,539,484,148.00/961,014.90
  6. Step 6: Final answer
    x = 733,120.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.