Home / 859,360.72-1,185,877.56-477,410.80

Finding the Fourth Proportional to 859,360.72, 1,185,877.56 and 477,410.80

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Solution

The fourth proportional to 859,360.72, 1,185,877.56 and 477,410.80 is: 658,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,360.72 : 1,185,877.56 = 477,410.80 : x
  2. Step 2: Convert to fraction form
    859,360.72/1,185,877.56 = 477,410.80/x
  3. Step 3: Cross multiply
    859,360.72x = 1,185,877.56 × 477,410.80
  4. Step 4: Simplify right side
    859,360.72x = 566,150,754,621.65
  5. Step 5: Solve for x
    x = 566,150,754,621.65/859,360.72
  6. Step 6: Final answer
    x = 658,804.55

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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.