Home / 712,722.56-1,069,213.44-357,981.44

Finding the Fourth Proportional to 712,722.56, 1,069,213.44 and 357,981.44

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Solution

The fourth proportional to 712,722.56, 1,069,213.44 and 357,981.44 is: 537,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,722.56 : 1,069,213.44 = 357,981.44 : x
  2. Step 2: Convert to fraction form
    712,722.56/1,069,213.44 = 357,981.44/x
  3. Step 3: Cross multiply
    712,722.56x = 1,069,213.44 × 357,981.44
  4. Step 4: Simplify right side
    712,722.56x = 382,758,566,918.55
  5. Step 5: Solve for x
    x = 382,758,566,918.55/712,722.56
  6. Step 6: Final answer
    x = 537,037.25

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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.