Home / 1,530,573.20-2,296,102.80-519,790.40

Finding the Fourth Proportional to 1,530,573.20, 2,296,102.80 and 519,790.40

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Solution

The fourth proportional to 1,530,573.20, 2,296,102.80 and 519,790.40 is: 779,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,573.20 : 2,296,102.80 = 519,790.40 : x
  2. Step 2: Convert to fraction form
    1,530,573.20/2,296,102.80 = 519,790.40/x
  3. Step 3: Cross multiply
    1,530,573.20x = 2,296,102.80 × 519,790.40
  4. Step 4: Simplify right side
    1,530,573.20x = 1,193,492,192,853.12
  5. Step 5: Solve for x
    x = 1,193,492,192,853.12/1,530,573.20
  6. Step 6: Final answer
    x = 779,768.12

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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.