Home / 819,114.73-1,130,383.58-456,561.61

Finding the Fourth Proportional to 819,114.73, 1,130,383.58 and 456,561.61

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Solution

The fourth proportional to 819,114.73, 1,130,383.58 and 456,561.61 is: 630,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,114.73 : 1,130,383.58 = 456,561.61 : x
  2. Step 2: Convert to fraction form
    819,114.73/1,130,383.58 = 456,561.61/x
  3. Step 3: Cross multiply
    819,114.73x = 1,130,383.58 × 456,561.61
  4. Step 4: Simplify right side
    819,114.73x = 516,089,742,093.60
  5. Step 5: Solve for x
    x = 516,089,742,093.60/819,114.73
  6. Step 6: Final answer
    x = 630,057.95

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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.