Home / 855,469.18-1,180,533.18-473,487.76

Finding the Fourth Proportional to 855,469.18, 1,180,533.18 and 473,487.76

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Solution

The fourth proportional to 855,469.18, 1,180,533.18 and 473,487.76 is: 653,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,469.18 : 1,180,533.18 = 473,487.76 : x
  2. Step 2: Convert to fraction form
    855,469.18/1,180,533.18 = 473,487.76/x
  3. Step 3: Cross multiply
    855,469.18x = 1,180,533.18 × 473,487.76
  4. Step 4: Simplify right side
    855,469.18x = 558,968,011,003.88
  5. Step 5: Solve for x
    x = 558,968,011,003.88/855,469.18
  6. Step 6: Final answer
    x = 653,405.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.