Home / 922,553.70-1,384,017.33-390,073.86

Finding the Fourth Proportional to 922,553.70, 1,384,017.33 and 390,073.86

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Solution

The fourth proportional to 922,553.70, 1,384,017.33 and 390,073.86 is: 585,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,553.70 : 1,384,017.33 = 390,073.86 : x
  2. Step 2: Convert to fraction form
    922,553.70/1,384,017.33 = 390,073.86/x
  3. Step 3: Cross multiply
    922,553.70x = 1,384,017.33 × 390,073.86
  4. Step 4: Simplify right side
    922,553.70x = 539,868,982,219.99
  5. Step 5: Solve for x
    x = 539,868,982,219.99/922,553.70
  6. Step 6: Final answer
    x = 585,189.76

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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.