Home / 859,039.08-1,185,441.46-477,090.46

Finding the Fourth Proportional to 859,039.08, 1,185,441.46 and 477,090.46

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Solution

The fourth proportional to 859,039.08, 1,185,441.46 and 477,090.46 is: 658,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,039.08 : 1,185,441.46 = 477,090.46 : x
  2. Step 2: Convert to fraction form
    859,039.08/1,185,441.46 = 477,090.46/x
  3. Step 3: Cross multiply
    859,039.08x = 1,185,441.46 × 477,090.46
  4. Step 4: Simplify right side
    859,039.08x = 565,562,811,454.47
  5. Step 5: Solve for x
    x = 565,562,811,454.47/859,039.08
  6. Step 6: Final answer
    x = 658,366.80

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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.