Home / 855,120.67-1,180,050.97-473,147.45

Finding the Fourth Proportional to 855,120.67, 1,180,050.97 and 473,147.45

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Solution

The fourth proportional to 855,120.67, 1,180,050.97 and 473,147.45 is: 652,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,120.67 : 1,180,050.97 = 473,147.45 : x
  2. Step 2: Convert to fraction form
    855,120.67/1,180,050.97 = 473,147.45/x
  3. Step 3: Cross multiply
    855,120.67x = 1,180,050.97 × 473,147.45
  4. Step 4: Simplify right side
    855,120.67x = 558,338,107,325.53
  5. Step 5: Solve for x
    x = 558,338,107,325.53/855,120.67
  6. Step 6: Final answer
    x = 652,934.87

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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.