Home / 878,852.88-1,212,946.39-556,592.94

Finding the Fourth Proportional to 878,852.88, 1,212,946.39 and 556,592.94

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Solution

The fourth proportional to 878,852.88, 1,212,946.39 and 556,592.94 is: 768,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,852.88 : 1,212,946.39 = 556,592.94 : x
  2. Step 2: Convert to fraction form
    878,852.88/1,212,946.39 = 556,592.94/x
  3. Step 3: Cross multiply
    878,852.88x = 1,212,946.39 × 556,592.94
  4. Step 4: Simplify right side
    878,852.88x = 675,117,389,816.27
  5. Step 5: Solve for x
    x = 675,117,389,816.27/878,852.88
  6. Step 6: Final answer
    x = 768,180.21

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1.5x scale

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.