Home / 1,678,765.54-2,518,638.66-541,502.56

Finding the Fourth Proportional to 1,678,765.54, 2,518,638.66 and 541,502.56

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Solution

The fourth proportional to 1,678,765.54, 2,518,638.66 and 541,502.56 is: 812,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,765.54 : 2,518,638.66 = 541,502.56 : x
  2. Step 2: Convert to fraction form
    1,678,765.54/2,518,638.66 = 541,502.56/x
  3. Step 3: Cross multiply
    1,678,765.54x = 2,518,638.66 × 541,502.56
  4. Step 4: Simplify right side
    1,678,765.54x = 1,363,849,282,104.97
  5. Step 5: Solve for x
    x = 1,363,849,282,104.97/1,678,765.54
  6. Step 6: Final answer
    x = 812,412.01

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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.