Home / 834,975.84-1,152,865.83-513,117.48

Finding the Fourth Proportional to 834,975.84, 1,152,865.83 and 513,117.48

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Solution

The fourth proportional to 834,975.84, 1,152,865.83 and 513,117.48 is: 708,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,975.84 : 1,152,865.83 = 513,117.48 : x
  2. Step 2: Convert to fraction form
    834,975.84/1,152,865.83 = 513,117.48/x
  3. Step 3: Cross multiply
    834,975.84x = 1,152,865.83 × 513,117.48
  4. Step 4: Simplify right side
    834,975.84x = 591,555,609,467.71
  5. Step 5: Solve for x
    x = 591,555,609,467.71/834,975.84
  6. Step 6: Final answer
    x = 708,470.33

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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.