Home / 1,055,999.80-1,583,999.70-308,045.80

Finding the Fourth Proportional to 1,055,999.80, 1,583,999.70 and 308,045.80

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Solution

The fourth proportional to 1,055,999.80, 1,583,999.70 and 308,045.80 is: 462,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,999.80 : 1,583,999.70 = 308,045.80 : x
  2. Step 2: Convert to fraction form
    1,055,999.80/1,583,999.70 = 308,045.80/x
  3. Step 3: Cross multiply
    1,055,999.80x = 1,583,999.70 × 308,045.80
  4. Step 4: Simplify right side
    1,055,999.80x = 487,944,454,786.26
  5. Step 5: Solve for x
    x = 487,944,454,786.26/1,055,999.80
  6. Step 6: Final answer
    x = 462,068.70

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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.