Home / 803,275.94-1,107,611.85-512,498.48

Finding the Fourth Proportional to 803,275.94, 1,107,611.85 and 512,498.48

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Solution

The fourth proportional to 803,275.94, 1,107,611.85 and 512,498.48 is: 706,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,275.94 : 1,107,611.85 = 512,498.48 : x
  2. Step 2: Convert to fraction form
    803,275.94/1,107,611.85 = 512,498.48/x
  3. Step 3: Cross multiply
    803,275.94x = 1,107,611.85 × 512,498.48
  4. Step 4: Simplify right side
    803,275.94x = 567,649,389,554.99
  5. Step 5: Solve for x
    x = 567,649,389,554.99/803,275.94
  6. Step 6: Final answer
    x = 706,667.98

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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.