Home / 961,038.72-1,326,235.68-553,165.92

Finding the Fourth Proportional to 961,038.72, 1,326,235.68 and 553,165.92

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Solution

The fourth proportional to 961,038.72, 1,326,235.68 and 553,165.92 is: 763,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,038.72 : 1,326,235.68 = 553,165.92 : x
  2. Step 2: Convert to fraction form
    961,038.72/1,326,235.68 = 553,165.92/x
  3. Step 3: Cross multiply
    961,038.72x = 1,326,235.68 × 553,165.92
  4. Step 4: Simplify right side
    961,038.72x = 733,628,380,064.03
  5. Step 5: Solve for x
    x = 733,628,380,064.03/961,038.72
  6. Step 6: Final answer
    x = 763,370.26

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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.