Home / 1,030,697.61-1,422,400.70-622,720.62

Finding the Fourth Proportional to 1,030,697.61, 1,422,400.70 and 622,720.62

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Solution

The fourth proportional to 1,030,697.61, 1,422,400.70 and 622,720.62 is: 859,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,697.61 : 1,422,400.70 = 622,720.62 : x
  2. Step 2: Convert to fraction form
    1,030,697.61/1,422,400.70 = 622,720.62/x
  3. Step 3: Cross multiply
    1,030,697.61x = 1,422,400.70 × 622,720.62
  4. Step 4: Simplify right side
    1,030,697.61x = 885,758,242,678.83
  5. Step 5: Solve for x
    x = 885,758,242,678.83/1,030,697.61
  6. Step 6: Final answer
    x = 859,377.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.