Home / 961,058.20-1,326,358.92-553,175.32

Finding the Fourth Proportional to 961,058.20, 1,326,358.92 and 553,175.32

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Solution

The fourth proportional to 961,058.20, 1,326,358.92 and 553,175.32 is: 763,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,058.20 : 1,326,358.92 = 553,175.32 : x
  2. Step 2: Convert to fraction form
    961,058.20/1,326,358.92 = 553,175.32/x
  3. Step 3: Cross multiply
    961,058.20x = 1,326,358.92 × 553,175.32
  4. Step 4: Simplify right side
    961,058.20x = 733,709,020,005.85
  5. Step 5: Solve for x
    x = 733,709,020,005.85/961,058.20
  6. Step 6: Final answer
    x = 763,438.70

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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.