Home / 702,136.24-968,944.02-379,845.40

Finding the Fourth Proportional to 702,136.24, 968,944.02 and 379,845.40

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Solution

The fourth proportional to 702,136.24, 968,944.02 and 379,845.40 is: 524,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,136.24 : 968,944.02 = 379,845.40 : x
  2. Step 2: Convert to fraction form
    702,136.24/968,944.02 = 379,845.40/x
  3. Step 3: Cross multiply
    702,136.24x = 968,944.02 × 379,845.40
  4. Step 4: Simplify right side
    702,136.24x = 368,048,928,854.51
  5. Step 5: Solve for x
    x = 368,048,928,854.51/702,136.24
  6. Step 6: Final answer
    x = 524,184.49

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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.