Home / 1,014,421.35-1,520,533.67-659,689.95

Finding the Fourth Proportional to 1,014,421.35, 1,520,533.67 and 659,689.95

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Solution

The fourth proportional to 1,014,421.35, 1,520,533.67 and 659,689.95 is: 988,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,421.35 : 1,520,533.67 = 659,689.95 : x
  2. Step 2: Convert to fraction form
    1,014,421.35/1,520,533.67 = 659,689.95/x
  3. Step 3: Cross multiply
    1,014,421.35x = 1,520,533.67 × 659,689.95
  4. Step 4: Simplify right side
    1,014,421.35x = 1,003,080,777,437.17
  5. Step 5: Solve for x
    x = 1,003,080,777,437.17/1,014,421.35
  6. Step 6: Final answer
    x = 988,820.65

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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.