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Finding the Fourth Proportional to 971,797.47, 1,340,357.54 and 713,593.37

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Solution

The fourth proportional to 971,797.47, 1,340,357.54 and 713,593.37 is: 984,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,797.47 : 1,340,357.54 = 713,593.37 : x
  2. Step 2: Convert to fraction form
    971,797.47/1,340,357.54 = 713,593.37/x
  3. Step 3: Cross multiply
    971,797.47x = 1,340,357.54 × 713,593.37
  4. Step 4: Simplify right side
    971,797.47x = 956,470,243,703.76
  5. Step 5: Solve for x
    x = 956,470,243,703.76/971,797.47
  6. Step 6: Final answer
    x = 984,227.96

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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.