Home / 646,772.09-886,082.04-622,530.21

Finding the Fourth Proportional to 646,772.09, 886,082.04 and 622,530.21

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Solution

The fourth proportional to 646,772.09, 886,082.04 and 622,530.21 is: 852,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,772.09 : 886,082.04 = 622,530.21 : x
  2. Step 2: Convert to fraction form
    646,772.09/886,082.04 = 622,530.21/x
  3. Step 3: Cross multiply
    646,772.09x = 886,082.04 × 622,530.21
  4. Step 4: Simplify right side
    646,772.09x = 551,612,838,438.43
  5. Step 5: Solve for x
    x = 551,612,838,438.43/646,772.09
  6. Step 6: Final answer
    x = 852,870.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.