Home / 787,329.70-1,179,244.95-609,259.30

Finding the Fourth Proportional to 787,329.70, 1,179,244.95 and 609,259.30

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Solution

The fourth proportional to 787,329.70, 1,179,244.95 and 609,259.30 is: 912,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,329.70 : 1,179,244.95 = 609,259.30 : x
  2. Step 2: Convert to fraction form
    787,329.70/1,179,244.95 = 609,259.30/x
  3. Step 3: Cross multiply
    787,329.70x = 1,179,244.95 × 609,259.30
  4. Step 4: Simplify right side
    787,329.70x = 718,465,952,765.54
  5. Step 5: Solve for x
    x = 718,465,952,765.54/787,329.70
  6. Step 6: Final answer
    x = 912,535.06

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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.