Home / 465,276.06-694,762.28-369,430.78

Finding the Fourth Proportional to 465,276.06, 694,762.28 and 369,430.78

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Solution

The fourth proportional to 465,276.06, 694,762.28 and 369,430.78 is: 551,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,276.06 : 694,762.28 = 369,430.78 : x
  2. Step 2: Convert to fraction form
    465,276.06/694,762.28 = 369,430.78/x
  3. Step 3: Cross multiply
    465,276.06x = 694,762.28 × 369,430.78
  4. Step 4: Simplify right side
    465,276.06x = 256,666,571,014.98
  5. Step 5: Solve for x
    x = 256,666,571,014.98/465,276.06
  6. Step 6: Final answer
    x = 551,643.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.