Home / 1,021,708.20-1,532,689.54-347,737.72

Finding the Fourth Proportional to 1,021,708.20, 1,532,689.54 and 347,737.72

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Solution

The fourth proportional to 1,021,708.20, 1,532,689.54 and 347,737.72 is: 521,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,708.20 : 1,532,689.54 = 347,737.72 : x
  2. Step 2: Convert to fraction form
    1,021,708.20/1,532,689.54 = 347,737.72/x
  3. Step 3: Cross multiply
    1,021,708.20x = 1,532,689.54 × 347,737.72
  4. Step 4: Simplify right side
    1,021,708.20x = 532,973,966,107.45
  5. Step 5: Solve for x
    x = 532,973,966,107.45/1,021,708.20
  6. Step 6: Final answer
    x = 521,649.89

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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.