Home / 961,057.20-1,326,357.54-553,174.32

Finding the Fourth Proportional to 961,057.20, 1,326,357.54 and 553,174.32

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Solution

The fourth proportional to 961,057.20, 1,326,357.54 and 553,174.32 is: 763,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,057.20 : 1,326,357.54 = 553,174.32 : x
  2. Step 2: Convert to fraction form
    961,057.20/1,326,357.54 = 553,174.32/x
  3. Step 3: Cross multiply
    961,057.20x = 1,326,357.54 × 553,174.32
  4. Step 4: Simplify right side
    961,057.20x = 733,706,930,266.37
  5. Step 5: Solve for x
    x = 733,706,930,266.37/961,057.20
  6. Step 6: Final answer
    x = 763,437.32

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1.5x scale

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.