Home / 931,310.55-1,285,213.69-544,148.70

Finding the Fourth Proportional to 931,310.55, 1,285,213.69 and 544,148.70

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Solution

The fourth proportional to 931,310.55, 1,285,213.69 and 544,148.70 is: 750,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,310.55 : 1,285,213.69 = 544,148.70 : x
  2. Step 2: Convert to fraction form
    931,310.55/1,285,213.69 = 544,148.70/x
  3. Step 3: Cross multiply
    931,310.55x = 1,285,213.69 × 544,148.70
  4. Step 4: Simplify right side
    931,310.55x = 699,347,358,635.70
  5. Step 5: Solve for x
    x = 699,347,358,635.70/931,310.55
  6. Step 6: Final answer
    x = 750,928.20

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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.