Home / 578,915.78-868,457.79-179,588.39

Finding the Fourth Proportional to 578,915.78, 868,457.79 and 179,588.39

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Solution

The fourth proportional to 578,915.78, 868,457.79 and 179,588.39 is: 269,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,915.78 : 868,457.79 = 179,588.39 : x
  2. Step 2: Convert to fraction form
    578,915.78/868,457.79 = 179,588.39/x
  3. Step 3: Cross multiply
    578,915.78x = 868,457.79 × 179,588.39
  4. Step 4: Simplify right side
    578,915.78x = 155,964,931,946.77
  5. Step 5: Solve for x
    x = 155,964,931,946.77/578,915.78
  6. Step 6: Final answer
    x = 269,408.68

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1.5x scale

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.