Home / 807,629.10-1,211,443.65-555,686.70

Finding the Fourth Proportional to 807,629.10, 1,211,443.65 and 555,686.70

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Solution

The fourth proportional to 807,629.10, 1,211,443.65 and 555,686.70 is: 833,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,629.10 : 1,211,443.65 = 555,686.70 : x
  2. Step 2: Convert to fraction form
    807,629.10/1,211,443.65 = 555,686.70/x
  3. Step 3: Cross multiply
    807,629.10x = 1,211,443.65 × 555,686.70
  4. Step 4: Simplify right side
    807,629.10x = 673,183,124,104.46
  5. Step 5: Solve for x
    x = 673,183,124,104.46/807,629.10
  6. Step 6: Final answer
    x = 833,530.05

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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.