Home / 547,780.10-823,052.55-348,196.10

Finding the Fourth Proportional to 547,780.10, 823,052.55 and 348,196.10

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Solution

The fourth proportional to 547,780.10, 823,052.55 and 348,196.10 is: 523,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,780.10 : 823,052.55 = 348,196.10 : x
  2. Step 2: Convert to fraction form
    547,780.10/823,052.55 = 348,196.10/x
  3. Step 3: Cross multiply
    547,780.10x = 823,052.55 × 348,196.10
  4. Step 4: Simplify right side
    547,780.10x = 286,583,688,005.06
  5. Step 5: Solve for x
    x = 286,583,688,005.06/547,780.10
  6. Step 6: Final answer
    x = 523,172.87

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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.