Home / 1,425,580.92-2,138,374.41-346,089.46

Finding the Fourth Proportional to 1,425,580.92, 2,138,374.41 and 346,089.46

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Solution

The fourth proportional to 1,425,580.92, 2,138,374.41 and 346,089.46 is: 519,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,580.92 : 2,138,374.41 = 346,089.46 : x
  2. Step 2: Convert to fraction form
    1,425,580.92/2,138,374.41 = 346,089.46/x
  3. Step 3: Cross multiply
    1,425,580.92x = 2,138,374.41 × 346,089.46
  4. Step 4: Simplify right side
    1,425,580.92x = 740,068,844,834.72
  5. Step 5: Solve for x
    x = 740,068,844,834.72/1,425,580.92
  6. Step 6: Final answer
    x = 519,134.93

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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.