Home / 1,063,355.76-1,593,655.83-431,925.12

Finding the Fourth Proportional to 1,063,355.76, 1,593,655.83 and 431,925.12

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Solution

The fourth proportional to 1,063,355.76, 1,593,655.83 and 431,925.12 is: 647,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,355.76 : 1,593,655.83 = 431,925.12 : x
  2. Step 2: Convert to fraction form
    1,063,355.76/1,593,655.83 = 431,925.12/x
  3. Step 3: Cross multiply
    1,063,355.76x = 1,593,655.83 × 431,925.12
  4. Step 4: Simplify right side
    1,063,355.76x = 688,339,985,611.45
  5. Step 5: Solve for x
    x = 688,339,985,611.45/1,063,355.76
  6. Step 6: Final answer
    x = 647,328.03

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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.