Home / 960,990.91-1,326,501.43-553,255.26

Finding the Fourth Proportional to 960,990.91, 1,326,501.43 and 553,255.26

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Solution

The fourth proportional to 960,990.91, 1,326,501.43 and 553,255.26 is: 763,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,990.91 : 1,326,501.43 = 553,255.26 : x
  2. Step 2: Convert to fraction form
    960,990.91/1,326,501.43 = 553,255.26/x
  3. Step 3: Cross multiply
    960,990.91x = 1,326,501.43 × 553,255.26
  4. Step 4: Simplify right side
    960,990.91x = 733,893,887,187.50
  5. Step 5: Solve for x
    x = 733,893,887,187.50/960,990.91
  6. Step 6: Final answer
    x = 763,684.52

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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.