Home / 375,985.68-518,984.30-336,127.60

Finding the Fourth Proportional to 375,985.68, 518,984.30 and 336,127.60

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Solution

The fourth proportional to 375,985.68, 518,984.30 and 336,127.60 is: 463,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,985.68 : 518,984.30 = 336,127.60 : x
  2. Step 2: Convert to fraction form
    375,985.68/518,984.30 = 336,127.60/x
  3. Step 3: Cross multiply
    375,985.68x = 518,984.30 × 336,127.60
  4. Step 4: Simplify right side
    375,985.68x = 174,444,947,196.68
  5. Step 5: Solve for x
    x = 174,444,947,196.68/375,985.68
  6. Step 6: Final answer
    x = 463,967.00

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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.