Home / 1,045,716.20-1,569,611.10-513,837.80

Finding the Fourth Proportional to 1,045,716.20, 1,569,611.10 and 513,837.80

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Solution

The fourth proportional to 1,045,716.20, 1,569,611.10 and 513,837.80 is: 771,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,716.20 : 1,569,611.10 = 513,837.80 : x
  2. Step 2: Convert to fraction form
    1,045,716.20/1,569,611.10 = 513,837.80/x
  3. Step 3: Cross multiply
    1,045,716.20x = 1,569,611.10 × 513,837.80
  4. Step 4: Simplify right side
    1,045,716.20x = 806,525,514,479.58
  5. Step 5: Solve for x
    x = 806,525,514,479.58/1,045,716.20
  6. Step 6: Final answer
    x = 771,266.16

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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.