Home / 1,085,101.10-1,627,855.80-436,726.88

Finding the Fourth Proportional to 1,085,101.10, 1,627,855.80 and 436,726.88

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Solution

The fourth proportional to 1,085,101.10, 1,627,855.80 and 436,726.88 is: 655,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,101.10 : 1,627,855.80 = 436,726.88 : x
  2. Step 2: Convert to fraction form
    1,085,101.10/1,627,855.80 = 436,726.88/x
  3. Step 3: Cross multiply
    1,085,101.10x = 1,627,855.80 × 436,726.88
  4. Step 4: Simplify right side
    1,085,101.10x = 710,928,384,623.90
  5. Step 5: Solve for x
    x = 710,928,384,623.90/1,085,101.10
  6. Step 6: Final answer
    x = 655,172.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.