Home / 855,117.58-1,180,012.94-473,121.58

Finding the Fourth Proportional to 855,117.58, 1,180,012.94 and 473,121.58

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Solution

The fourth proportional to 855,117.58, 1,180,012.94 and 473,121.58 is: 652,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,117.58 : 1,180,012.94 = 473,121.58 : x
  2. Step 2: Convert to fraction form
    855,117.58/1,180,012.94 = 473,121.58/x
  3. Step 3: Cross multiply
    855,117.58x = 1,180,012.94 × 473,121.58
  4. Step 4: Simplify right side
    855,117.58x = 558,289,586,593.25
  5. Step 5: Solve for x
    x = 558,289,586,593.25/855,117.58
  6. Step 6: Final answer
    x = 652,880.49

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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.