Home / 1,580,828.52-2,371,620-515,872.56

Finding the Fourth Proportional to 1,580,828.52, 2,371,620 and 515,872.56

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Solution

The fourth proportional to 1,580,828.52, 2,371,620 and 515,872.56 is: 773,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,828.52 : 2,371,620 = 515,872.56 : x
  2. Step 2: Convert to fraction form
    1,580,828.52/2,371,620 = 515,872.56/x
  3. Step 3: Cross multiply
    1,580,828.52x = 2,371,620 × 515,872.56
  4. Step 4: Simplify right side
    1,580,828.52x = 1,223,453,680,747.20
  5. Step 5: Solve for x
    x = 1,223,453,680,747.20/1,580,828.52
  6. Step 6: Final answer
    x = 773,931.94

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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.