Home / 467,973.90-645,803.28-253,113.30

Finding the Fourth Proportional to 467,973.90, 645,803.28 and 253,113.30

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Solution

The fourth proportional to 467,973.90, 645,803.28 and 253,113.30 is: 349,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,973.90 : 645,803.28 = 253,113.30 : x
  2. Step 2: Convert to fraction form
    467,973.90/645,803.28 = 253,113.30/x
  3. Step 3: Cross multiply
    467,973.90x = 645,803.28 × 253,113.30
  4. Step 4: Simplify right side
    467,973.90x = 163,461,399,351.62
  5. Step 5: Solve for x
    x = 163,461,399,351.62/467,973.90
  6. Step 6: Final answer
    x = 349,295.97

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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.