Home / 558,683.94-771,001.34-316,976.70

Finding the Fourth Proportional to 558,683.94, 771,001.34 and 316,976.70

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Solution

The fourth proportional to 558,683.94, 771,001.34 and 316,976.70 is: 437,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,683.94 : 771,001.34 = 316,976.70 : x
  2. Step 2: Convert to fraction form
    558,683.94/771,001.34 = 316,976.70/x
  3. Step 3: Cross multiply
    558,683.94x = 771,001.34 × 316,976.70
  4. Step 4: Simplify right side
    558,683.94x = 244,389,460,448.78
  5. Step 5: Solve for x
    x = 244,389,460,448.78/558,683.94
  6. Step 6: Final answer
    x = 437,437.78

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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.