Home / 879,769.15-1,214,080.85-477,361.15

Finding the Fourth Proportional to 879,769.15, 1,214,080.85 and 477,361.15

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Solution

The fourth proportional to 879,769.15, 1,214,080.85 and 477,361.15 is: 658,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,769.15 : 1,214,080.85 = 477,361.15 : x
  2. Step 2: Convert to fraction form
    879,769.15/1,214,080.85 = 477,361.15/x
  3. Step 3: Cross multiply
    879,769.15x = 1,214,080.85 × 477,361.15
  4. Step 4: Simplify right side
    879,769.15x = 579,555,028,907.18
  5. Step 5: Solve for x
    x = 579,555,028,907.18/879,769.15
  6. Step 6: Final answer
    x = 658,758.07

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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.