Home / 524,106.12-786,463.98-220,478.04

Finding the Fourth Proportional to 524,106.12, 786,463.98 and 220,478.04

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Solution

The fourth proportional to 524,106.12, 786,463.98 and 220,478.04 is: 330,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,106.12 : 786,463.98 = 220,478.04 : x
  2. Step 2: Convert to fraction form
    524,106.12/786,463.98 = 220,478.04/x
  3. Step 3: Cross multiply
    524,106.12x = 786,463.98 × 220,478.04
  4. Step 4: Simplify right side
    524,106.12x = 173,398,036,841.00
  5. Step 5: Solve for x
    x = 173,398,036,841.00/524,106.12
  6. Step 6: Final answer
    x = 330,845.28

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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.