Home / 688,993.08-1,033,512.86-529,311.71

Finding the Fourth Proportional to 688,993.08, 1,033,512.86 and 529,311.71

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Solution

The fourth proportional to 688,993.08, 1,033,512.86 and 529,311.71 is: 793,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,993.08 : 1,033,512.86 = 529,311.71 : x
  2. Step 2: Convert to fraction form
    688,993.08/1,033,512.86 = 529,311.71/x
  3. Step 3: Cross multiply
    688,993.08x = 1,033,512.86 × 529,311.71
  4. Step 4: Simplify right side
    688,993.08x = 547,050,454,066.03
  5. Step 5: Solve for x
    x = 547,050,454,066.03/688,993.08
  6. Step 6: Final answer
    x = 793,985.41

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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.