Home / 923,161.05-1,384,887.38-390,684.87

Finding the Fourth Proportional to 923,161.05, 1,384,887.38 and 390,684.87

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Solution

The fourth proportional to 923,161.05, 1,384,887.38 and 390,684.87 is: 586,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,161.05 : 1,384,887.38 = 390,684.87 : x
  2. Step 2: Convert to fraction form
    923,161.05/1,384,887.38 = 390,684.87/x
  3. Step 3: Cross multiply
    923,161.05x = 1,384,887.38 × 390,684.87
  4. Step 4: Simplify right side
    923,161.05x = 541,054,544,066.52
  5. Step 5: Solve for x
    x = 541,054,544,066.52/923,161.05
  6. Step 6: Final answer
    x = 586,089.01

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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.