Home / 807,880.60-1,211,237.70-527,555.80

Finding the Fourth Proportional to 807,880.60, 1,211,237.70 and 527,555.80

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Solution

The fourth proportional to 807,880.60, 1,211,237.70 and 527,555.80 is: 790,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,880.60 : 1,211,237.70 = 527,555.80 : x
  2. Step 2: Convert to fraction form
    807,880.60/1,211,237.70 = 527,555.80/x
  3. Step 3: Cross multiply
    807,880.60x = 1,211,237.70 × 527,555.80
  4. Step 4: Simplify right side
    807,880.60x = 638,995,473,813.66
  5. Step 5: Solve for x
    x = 638,995,473,813.66/807,880.60
  6. Step 6: Final answer
    x = 790,952.86

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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.