Home / 1,090,069.20-1,633,445.82-520,666.23

Finding the Fourth Proportional to 1,090,069.20, 1,633,445.82 and 520,666.23

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Solution

The fourth proportional to 1,090,069.20, 1,633,445.82 and 520,666.23 is: 780,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,069.20 : 1,633,445.82 = 520,666.23 : x
  2. Step 2: Convert to fraction form
    1,090,069.20/1,633,445.82 = 520,666.23/x
  3. Step 3: Cross multiply
    1,090,069.20x = 1,633,445.82 × 520,666.23
  4. Step 4: Simplify right side
    1,090,069.20x = 850,480,077,008.66
  5. Step 5: Solve for x
    x = 850,480,077,008.66/1,090,069.20
  6. Step 6: Final answer
    x = 780,207.42

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Double scale
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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.