Home / 855,214.62-1,180,220.67-473,276.94

Finding the Fourth Proportional to 855,214.62, 1,180,220.67 and 473,276.94

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Solution

The fourth proportional to 855,214.62, 1,180,220.67 and 473,276.94 is: 653,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,214.62 : 1,180,220.67 = 473,276.94 : x
  2. Step 2: Convert to fraction form
    855,214.62/1,180,220.67 = 473,276.94/x
  3. Step 3: Cross multiply
    855,214.62x = 1,180,220.67 × 473,276.94
  4. Step 4: Simplify right side
    855,214.62x = 558,571,227,222.35
  5. Step 5: Solve for x
    x = 558,571,227,222.35/855,214.62
  6. Step 6: Final answer
    x = 653,135.73

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1.5x scale

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.