Home / 558,325.49-770,569.07-313,336.40

Finding the Fourth Proportional to 558,325.49, 770,569.07 and 313,336.40

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Solution

The fourth proportional to 558,325.49, 770,569.07 and 313,336.40 is: 432,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,325.49 : 770,569.07 = 313,336.40 : x
  2. Step 2: Convert to fraction form
    558,325.49/770,569.07 = 313,336.40/x
  3. Step 3: Cross multiply
    558,325.49x = 770,569.07 × 313,336.40
  4. Step 4: Simplify right side
    558,325.49x = 241,447,332,925.62
  5. Step 5: Solve for x
    x = 241,447,332,925.62/558,325.49
  6. Step 6: Final answer
    x = 432,449.06

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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.