Home / 646,814.16-886,138.58-622,572.17

Finding the Fourth Proportional to 646,814.16, 886,138.58 and 622,572.17

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Solution

The fourth proportional to 646,814.16, 886,138.58 and 622,572.17 is: 852,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,814.16 : 886,138.58 = 622,572.17 : x
  2. Step 2: Convert to fraction form
    646,814.16/886,138.58 = 622,572.17/x
  3. Step 3: Cross multiply
    646,814.16x = 886,138.58 × 622,572.17
  4. Step 4: Simplify right side
    646,814.16x = 551,685,215,797.06
  5. Step 5: Solve for x
    x = 551,685,215,797.06/646,814.16
  6. Step 6: Final answer
    x = 852,926.93

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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.