Home / 971,644.47-1,457,116.79-410,722.71

Finding the Fourth Proportional to 971,644.47, 1,457,116.79 and 410,722.71

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Solution

The fourth proportional to 971,644.47, 1,457,116.79 and 410,722.71 is: 615,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,644.47 : 1,457,116.79 = 410,722.71 : x
  2. Step 2: Convert to fraction form
    971,644.47/1,457,116.79 = 410,722.71/x
  3. Step 3: Cross multiply
    971,644.47x = 1,457,116.79 × 410,722.71
  4. Step 4: Simplify right side
    971,644.47x = 598,470,954,721.69
  5. Step 5: Solve for x
    x = 598,470,954,721.69/971,644.47
  6. Step 6: Final answer
    x = 615,936.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.