Home / 1,313,780.93-1,970,966.24-415,274.93

Finding the Fourth Proportional to 1,313,780.93, 1,970,966.24 and 415,274.93

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Solution

The fourth proportional to 1,313,780.93, 1,970,966.24 and 415,274.93 is: 623,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,780.93 : 1,970,966.24 = 415,274.93 : x
  2. Step 2: Convert to fraction form
    1,313,780.93/1,970,966.24 = 415,274.93/x
  3. Step 3: Cross multiply
    1,313,780.93x = 1,970,966.24 × 415,274.93
  4. Step 4: Simplify right side
    1,313,780.93x = 818,492,867,348.36
  5. Step 5: Solve for x
    x = 818,492,867,348.36/1,313,780.93
  6. Step 6: Final answer
    x = 623,005.59

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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.