Home / 855,619.53-1,180,763.69-473,638.11

Finding the Fourth Proportional to 855,619.53, 1,180,763.69 and 473,638.11

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Solution

The fourth proportional to 855,619.53, 1,180,763.69 and 473,638.11 is: 653,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,619.53 : 1,180,763.69 = 473,638.11 : x
  2. Step 2: Convert to fraction form
    855,619.53/1,180,763.69 = 473,638.11/x
  3. Step 3: Cross multiply
    855,619.53x = 1,180,763.69 × 473,638.11
  4. Step 4: Simplify right side
    855,619.53x = 559,254,682,488.23
  5. Step 5: Solve for x
    x = 559,254,682,488.23/855,619.53
  6. Step 6: Final answer
    x = 653,625.43

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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.