Home / 956,110.96-1,319,441.09-520,531.30

Finding the Fourth Proportional to 956,110.96, 1,319,441.09 and 520,531.30

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Solution

The fourth proportional to 956,110.96, 1,319,441.09 and 520,531.30 is: 718,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,110.96 : 1,319,441.09 = 520,531.30 : x
  2. Step 2: Convert to fraction form
    956,110.96/1,319,441.09 = 520,531.30/x
  3. Step 3: Cross multiply
    956,110.96x = 1,319,441.09 × 520,531.30
  4. Step 4: Simplify right side
    956,110.96x = 686,810,385,851.12
  5. Step 5: Solve for x
    x = 686,810,385,851.12/956,110.96
  6. Step 6: Final answer
    x = 718,337.53

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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.