Home / 886,531.80-1,330,212.96-437,007.18

Finding the Fourth Proportional to 886,531.80, 1,330,212.96 and 437,007.18

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Solution

The fourth proportional to 886,531.80, 1,330,212.96 and 437,007.18 is: 655,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,531.80 : 1,330,212.96 = 437,007.18 : x
  2. Step 2: Convert to fraction form
    886,531.80/1,330,212.96 = 437,007.18/x
  3. Step 3: Cross multiply
    886,531.80x = 1,330,212.96 × 437,007.18
  4. Step 4: Simplify right side
    886,531.80x = 581,312,614,449.05
  5. Step 5: Solve for x
    x = 581,312,614,449.05/886,531.80
  6. Step 6: Final answer
    x = 655,715.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.