Home / 872,028.04-1,203,412.72-479,576.52

Finding the Fourth Proportional to 872,028.04, 1,203,412.72 and 479,576.52

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Solution

The fourth proportional to 872,028.04, 1,203,412.72 and 479,576.52 is: 661,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,028.04 : 1,203,412.72 = 479,576.52 : x
  2. Step 2: Convert to fraction form
    872,028.04/1,203,412.72 = 479,576.52/x
  3. Step 3: Cross multiply
    872,028.04x = 1,203,412.72 × 479,576.52
  4. Step 4: Simplify right side
    872,028.04x = 577,128,484,381.33
  5. Step 5: Solve for x
    x = 577,128,484,381.33/872,028.04
  6. Step 6: Final answer
    x = 661,823.31

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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.