Home / 814,560.18-1,124,146.77-470,410.56

Finding the Fourth Proportional to 814,560.18, 1,124,146.77 and 470,410.56

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Solution

The fourth proportional to 814,560.18, 1,124,146.77 and 470,410.56 is: 649,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,560.18 : 1,124,146.77 = 470,410.56 : x
  2. Step 2: Convert to fraction form
    814,560.18/1,124,146.77 = 470,410.56/x
  3. Step 3: Cross multiply
    814,560.18x = 1,124,146.77 × 470,410.56
  4. Step 4: Simplify right side
    814,560.18x = 528,810,511,597.89
  5. Step 5: Solve for x
    x = 528,810,511,597.89/814,560.18
  6. Step 6: Final answer
    x = 649,197.60

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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.