Home / 1,240,824.24-1,712,378.98-689,563.18

Finding the Fourth Proportional to 1,240,824.24, 1,712,378.98 and 689,563.18

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Solution

The fourth proportional to 1,240,824.24, 1,712,378.98 and 689,563.18 is: 951,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,824.24 : 1,712,378.98 = 689,563.18 : x
  2. Step 2: Convert to fraction form
    1,240,824.24/1,712,378.98 = 689,563.18/x
  3. Step 3: Cross multiply
    1,240,824.24x = 1,712,378.98 × 689,563.18
  4. Step 4: Simplify right side
    1,240,824.24x = 1,180,793,494,813.96
  5. Step 5: Solve for x
    x = 1,180,793,494,813.96/1,240,824.24
  6. Step 6: Final answer
    x = 951,620.27

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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.