Home / 778,360.46-1,167,443.96-209,786.02

Finding the Fourth Proportional to 778,360.46, 1,167,443.96 and 209,786.02

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Solution

The fourth proportional to 778,360.46, 1,167,443.96 and 209,786.02 is: 314,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,360.46 : 1,167,443.96 = 209,786.02 : x
  2. Step 2: Convert to fraction form
    778,360.46/1,167,443.96 = 209,786.02/x
  3. Step 3: Cross multiply
    778,360.46x = 1,167,443.96 × 209,786.02
  4. Step 4: Simplify right side
    778,360.46x = 244,913,417,973.90
  5. Step 5: Solve for x
    x = 244,913,417,973.90/778,360.46
  6. Step 6: Final answer
    x = 314,652.96

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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.