Home / 867,555.28-1,197,226.02-485,581.96

Finding the Fourth Proportional to 867,555.28, 1,197,226.02 and 485,581.96

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Solution

The fourth proportional to 867,555.28, 1,197,226.02 and 485,581.96 is: 670,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,555.28 : 1,197,226.02 = 485,581.96 : x
  2. Step 2: Convert to fraction form
    867,555.28/1,197,226.02 = 485,581.96/x
  3. Step 3: Cross multiply
    867,555.28x = 1,197,226.02 × 485,581.96
  4. Step 4: Simplify right side
    867,555.28x = 581,351,357,354.60
  5. Step 5: Solve for x
    x = 581,351,357,354.60/867,555.28
  6. Step 6: Final answer
    x = 670,102.96

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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.