Home / 858,355.66-1,287,582.69-227,253.07

Finding the Fourth Proportional to 858,355.66, 1,287,582.69 and 227,253.07

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Solution

The fourth proportional to 858,355.66, 1,287,582.69 and 227,253.07 is: 340,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,355.66 : 1,287,582.69 = 227,253.07 : x
  2. Step 2: Convert to fraction form
    858,355.66/1,287,582.69 = 227,253.07/x
  3. Step 3: Cross multiply
    858,355.66x = 1,287,582.69 × 227,253.07
  4. Step 4: Simplify right side
    858,355.66x = 292,607,119,181.36
  5. Step 5: Solve for x
    x = 292,607,119,181.36/858,355.66
  6. Step 6: Final answer
    x = 340,892.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.