Home / 1,785,320.53-2,677,136.71-691,617.64

Finding the Fourth Proportional to 1,785,320.53, 2,677,136.71 and 691,617.64

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Solution

The fourth proportional to 1,785,320.53, 2,677,136.71 and 691,617.64 is: 1,037,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,320.53 : 2,677,136.71 = 691,617.64 : x
  2. Step 2: Convert to fraction form
    1,785,320.53/2,677,136.71 = 691,617.64/x
  3. Step 3: Cross multiply
    1,785,320.53x = 2,677,136.71 × 691,617.64
  4. Step 4: Simplify right side
    1,785,320.53x = 1,851,554,956,483.79
  5. Step 5: Solve for x
    x = 1,851,554,956,483.79/1,785,320.53
  6. Step 6: Final answer
    x = 1,037,099.46

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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.