Home / 874,725.66-1,207,526.66-616,812.75

Finding the Fourth Proportional to 874,725.66, 1,207,526.66 and 616,812.75

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Solution

The fourth proportional to 874,725.66, 1,207,526.66 and 616,812.75 is: 851,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,725.66 : 1,207,526.66 = 616,812.75 : x
  2. Step 2: Convert to fraction form
    874,725.66/1,207,526.66 = 616,812.75/x
  3. Step 3: Cross multiply
    874,725.66x = 1,207,526.66 × 616,812.75
  4. Step 4: Simplify right side
    874,725.66x = 744,817,836,768.85
  5. Step 5: Solve for x
    x = 744,817,836,768.85/874,725.66
  6. Step 6: Final answer
    x = 851,487.35

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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.