Home / 646,250.22-891,244.71-404,554.80

Finding the Fourth Proportional to 646,250.22, 891,244.71 and 404,554.80

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Solution

The fourth proportional to 646,250.22, 891,244.71 and 404,554.80 is: 557,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,250.22 : 891,244.71 = 404,554.80 : x
  2. Step 2: Convert to fraction form
    646,250.22/891,244.71 = 404,554.80/x
  3. Step 3: Cross multiply
    646,250.22x = 891,244.71 × 404,554.80
  4. Step 4: Simplify right side
    646,250.22x = 360,557,325,405.11
  5. Step 5: Solve for x
    x = 360,557,325,405.11/646,250.22
  6. Step 6: Final answer
    x = 557,922.17

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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.