Home / 1,585,192.50-2,377,289.61-519,987.06

Finding the Fourth Proportional to 1,585,192.50, 2,377,289.61 and 519,987.06

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Solution

The fourth proportional to 1,585,192.50, 2,377,289.61 and 519,987.06 is: 779,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,192.50 : 2,377,289.61 = 519,987.06 : x
  2. Step 2: Convert to fraction form
    1,585,192.50/2,377,289.61 = 519,987.06/x
  3. Step 3: Cross multiply
    1,585,192.50x = 2,377,289.61 × 519,987.06
  4. Step 4: Simplify right side
    1,585,192.50x = 1,236,159,835,072.45
  5. Step 5: Solve for x
    x = 1,236,159,835,072.45/1,585,192.50
  6. Step 6: Final answer
    x = 779,816.86

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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.