Home / 1,545,517.43-2,316,639.93-519,871.31

Finding the Fourth Proportional to 1,545,517.43, 2,316,639.93 and 519,871.31

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Solution

The fourth proportional to 1,545,517.43, 2,316,639.93 and 519,871.31 is: 779,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,517.43 : 2,316,639.93 = 519,871.31 : x
  2. Step 2: Convert to fraction form
    1,545,517.43/2,316,639.93 = 519,871.31/x
  3. Step 3: Cross multiply
    1,545,517.43x = 2,316,639.93 × 519,871.31
  4. Step 4: Simplify right side
    1,545,517.43x = 1,204,354,623,624.21
  5. Step 5: Solve for x
    x = 1,204,354,623,624.21/1,545,517.43
  6. Step 6: Final answer
    x = 779,256.58

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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.