Home / 666,293.12-919,484.65-375,966.30

Finding the Fourth Proportional to 666,293.12, 919,484.65 and 375,966.30

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Solution

The fourth proportional to 666,293.12, 919,484.65 and 375,966.30 is: 518,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,293.12 : 919,484.65 = 375,966.30 : x
  2. Step 2: Convert to fraction form
    666,293.12/919,484.65 = 375,966.30/x
  3. Step 3: Cross multiply
    666,293.12x = 919,484.65 × 375,966.30
  4. Step 4: Simplify right side
    666,293.12x = 345,695,241,767.30
  5. Step 5: Solve for x
    x = 345,695,241,767.30/666,293.12
  6. Step 6: Final answer
    x = 518,833.58

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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.