Home / 1,476,821.70-2,215,232.55-354,890.70

Finding the Fourth Proportional to 1,476,821.70, 2,215,232.55 and 354,890.70

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Solution

The fourth proportional to 1,476,821.70, 2,215,232.55 and 354,890.70 is: 532,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,821.70 : 2,215,232.55 = 354,890.70 : x
  2. Step 2: Convert to fraction form
    1,476,821.70/2,215,232.55 = 354,890.70/x
  3. Step 3: Cross multiply
    1,476,821.70x = 2,215,232.55 × 354,890.70
  4. Step 4: Simplify right side
    1,476,821.70x = 786,165,430,332.29
  5. Step 5: Solve for x
    x = 786,165,430,332.29/1,476,821.70
  6. Step 6: Final answer
    x = 532,336.05

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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.