Home / 1,122,495.09-1,549,019.89-632,489.85

Finding the Fourth Proportional to 1,122,495.09, 1,549,019.89 and 632,489.85

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Solution

The fourth proportional to 1,122,495.09, 1,549,019.89 and 632,489.85 is: 872,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,495.09 : 1,549,019.89 = 632,489.85 : x
  2. Step 2: Convert to fraction form
    1,122,495.09/1,549,019.89 = 632,489.85/x
  3. Step 3: Cross multiply
    1,122,495.09x = 1,549,019.89 × 632,489.85
  4. Step 4: Simplify right side
    1,122,495.09x = 979,739,357,873.12
  5. Step 5: Solve for x
    x = 979,739,357,873.12/1,122,495.09
  6. Step 6: Final answer
    x = 872,822.84

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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.