Home / 816,682.83-1,225,273.46-417,603.93

Finding the Fourth Proportional to 816,682.83, 1,225,273.46 and 417,603.93

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Solution

The fourth proportional to 816,682.83, 1,225,273.46 and 417,603.93 is: 626,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,682.83 : 1,225,273.46 = 417,603.93 : x
  2. Step 2: Convert to fraction form
    816,682.83/1,225,273.46 = 417,603.93/x
  3. Step 3: Cross multiply
    816,682.83x = 1,225,273.46 × 417,603.93
  4. Step 4: Simplify right side
    816,682.83x = 511,679,012,220.70
  5. Step 5: Solve for x
    x = 511,679,012,220.70/816,682.83
  6. Step 6: Final answer
    x = 626,533.33

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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.