Home / 1,678,806.21-2,518,699.71-541,543.16

Finding the Fourth Proportional to 1,678,806.21, 2,518,699.71 and 541,543.16

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Solution

The fourth proportional to 1,678,806.21, 2,518,699.71 and 541,543.16 is: 812,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,806.21 : 2,518,699.71 = 541,543.16 : x
  2. Step 2: Convert to fraction form
    1,678,806.21/2,518,699.71 = 541,543.16/x
  3. Step 3: Cross multiply
    1,678,806.21x = 2,518,699.71 × 541,543.16
  4. Step 4: Simplify right side
    1,678,806.21x = 1,363,984,587,450.99
  5. Step 5: Solve for x
    x = 1,363,984,587,450.99/1,678,806.21
  6. Step 6: Final answer
    x = 812,472.92

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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.