Home / 874,730.68-1,207,533.58-616,817.76

Finding the Fourth Proportional to 874,730.68, 1,207,533.58 and 616,817.76

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Solution

The fourth proportional to 874,730.68, 1,207,533.58 and 616,817.76 is: 851,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,730.68 : 1,207,533.58 = 616,817.76 : x
  2. Step 2: Convert to fraction form
    874,730.68/1,207,533.58 = 616,817.76/x
  3. Step 3: Cross multiply
    874,730.68x = 1,207,533.58 × 616,817.76
  4. Step 4: Simplify right side
    874,730.68x = 744,828,157,940.38
  5. Step 5: Solve for x
    x = 744,828,157,940.38/874,730.68
  6. Step 6: Final answer
    x = 851,494.27

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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.