Home / 1,657,715.12-2,487,360-858,847.76

Finding the Fourth Proportional to 1,657,715.12, 2,487,360 and 858,847.76

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Solution

The fourth proportional to 1,657,715.12, 2,487,360 and 858,847.76 is: 1,288,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,715.12 : 2,487,360 = 858,847.76 : x
  2. Step 2: Convert to fraction form
    1,657,715.12/2,487,360 = 858,847.76/x
  3. Step 3: Cross multiply
    1,657,715.12x = 2,487,360 × 858,847.76
  4. Step 4: Simplify right side
    1,657,715.12x = 2,136,263,564,313.60
  5. Step 5: Solve for x
    x = 2,136,263,564,313.60/1,657,715.12
  6. Step 6: Final answer
    x = 1,288,679.54

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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.