Home / 1,539,206.26-2,124,107.52-860,142.76

Finding the Fourth Proportional to 1,539,206.26, 2,124,107.52 and 860,142.76

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Solution

The fourth proportional to 1,539,206.26, 2,124,107.52 and 860,142.76 is: 1,186,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,206.26 : 2,124,107.52 = 860,142.76 : x
  2. Step 2: Convert to fraction form
    1,539,206.26/2,124,107.52 = 860,142.76/x
  3. Step 3: Cross multiply
    1,539,206.26x = 2,124,107.52 × 860,142.76
  4. Step 4: Simplify right side
    1,539,206.26x = 1,827,035,704,789.56
  5. Step 5: Solve for x
    x = 1,827,035,704,789.56/1,539,206.26
  6. Step 6: Final answer
    x = 1,186,998.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.