Home / 804,990.08-1,109,715.75-562,520.12

Finding the Fourth Proportional to 804,990.08, 1,109,715.75 and 562,520.12

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Solution

The fourth proportional to 804,990.08, 1,109,715.75 and 562,520.12 is: 775,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,990.08 : 1,109,715.75 = 562,520.12 : x
  2. Step 2: Convert to fraction form
    804,990.08/1,109,715.75 = 562,520.12/x
  3. Step 3: Cross multiply
    804,990.08x = 1,109,715.75 × 562,520.12
  4. Step 4: Simplify right side
    804,990.08x = 624,237,431,307.31
  5. Step 5: Solve for x
    x = 624,237,431,307.31/804,990.08
  6. Step 6: Final answer
    x = 775,459.78

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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.