Home / 823,497.45-1,136,426.23-460,921.22

Finding the Fourth Proportional to 823,497.45, 1,136,426.23 and 460,921.22

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Solution

The fourth proportional to 823,497.45, 1,136,426.23 and 460,921.22 is: 636,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,497.45 : 1,136,426.23 = 460,921.22 : x
  2. Step 2: Convert to fraction form
    823,497.45/1,136,426.23 = 460,921.22/x
  3. Step 3: Cross multiply
    823,497.45x = 1,136,426.23 × 460,921.22
  4. Step 4: Simplify right side
    823,497.45x = 523,802,963,527.22
  5. Step 5: Solve for x
    x = 523,802,963,527.22/823,497.45
  6. Step 6: Final answer
    x = 636,071.14

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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.