Home / 859,039.58-1,185,442.16-477,090.96

Finding the Fourth Proportional to 859,039.58, 1,185,442.16 and 477,090.96

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Solution

The fourth proportional to 859,039.58, 1,185,442.16 and 477,090.96 is: 658,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,039.58 : 1,185,442.16 = 477,090.96 : x
  2. Step 2: Convert to fraction form
    859,039.58/1,185,442.16 = 477,090.96/x
  3. Step 3: Cross multiply
    859,039.58x = 1,185,442.16 × 477,090.96
  4. Step 4: Simplify right side
    859,039.58x = 565,563,735,753.42
  5. Step 5: Solve for x
    x = 565,563,735,753.42/859,039.58
  6. Step 6: Final answer
    x = 658,367.50

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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.