Home / 804,919.15-1,207,378.73-484,742.35

Finding the Fourth Proportional to 804,919.15, 1,207,378.73 and 484,742.35

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Solution

The fourth proportional to 804,919.15, 1,207,378.73 and 484,742.35 is: 727,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,919.15 : 1,207,378.73 = 484,742.35 : x
  2. Step 2: Convert to fraction form
    804,919.15/1,207,378.73 = 484,742.35/x
  3. Step 3: Cross multiply
    804,919.15x = 1,207,378.73 × 484,742.35
  4. Step 4: Simplify right side
    804,919.15x = 585,267,602,920.22
  5. Step 5: Solve for x
    x = 585,267,602,920.22/804,919.15
  6. Step 6: Final answer
    x = 727,113.53

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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.