Home / 525,108.10-785,912.55-483,117.70

Finding the Fourth Proportional to 525,108.10, 785,912.55 and 483,117.70

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Solution

The fourth proportional to 525,108.10, 785,912.55 and 483,117.70 is: 723,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,108.10 : 785,912.55 = 483,117.70 : x
  2. Step 2: Convert to fraction form
    525,108.10/785,912.55 = 483,117.70/x
  3. Step 3: Cross multiply
    525,108.10x = 785,912.55 × 483,117.70
  4. Step 4: Simplify right side
    525,108.10x = 379,688,263,557.14
  5. Step 5: Solve for x
    x = 379,688,263,557.14/525,108.10
  6. Step 6: Final answer
    x = 723,066.86

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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.