Home / 558,328.24-770,423.04-377,433.76

Finding the Fourth Proportional to 558,328.24, 770,423.04 and 377,433.76

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Solution

The fourth proportional to 558,328.24, 770,423.04 and 377,433.76 is: 520,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,328.24 : 770,423.04 = 377,433.76 : x
  2. Step 2: Convert to fraction form
    558,328.24/770,423.04 = 377,433.76/x
  3. Step 3: Cross multiply
    558,328.24x = 770,423.04 × 377,433.76
  4. Step 4: Simplify right side
    558,328.24x = 290,783,664,777.83
  5. Step 5: Solve for x
    x = 290,783,664,777.83/558,328.24
  6. Step 6: Final answer
    x = 520,811.31

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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.