Home / 961,131.17-1,326,318.98-525,540.30

Finding the Fourth Proportional to 961,131.17, 1,326,318.98 and 525,540.30

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Solution

The fourth proportional to 961,131.17, 1,326,318.98 and 525,540.30 is: 725,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,131.17 : 1,326,318.98 = 525,540.30 : x
  2. Step 2: Convert to fraction form
    961,131.17/1,326,318.98 = 525,540.30/x
  3. Step 3: Cross multiply
    961,131.17x = 1,326,318.98 × 525,540.30
  4. Step 4: Simplify right side
    961,131.17x = 697,034,072,017.19
  5. Step 5: Solve for x
    x = 697,034,072,017.19/961,131.17
  6. Step 6: Final answer
    x = 725,222.63

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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.