Home / 1,572,445.59-2,169,825-919,224.33

Finding the Fourth Proportional to 1,572,445.59, 2,169,825 and 919,224.33

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Solution

The fourth proportional to 1,572,445.59, 2,169,825 and 919,224.33 is: 1,268,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,445.59 : 2,169,825 = 919,224.33 : x
  2. Step 2: Convert to fraction form
    1,572,445.59/2,169,825 = 919,224.33/x
  3. Step 3: Cross multiply
    1,572,445.59x = 2,169,825 × 919,224.33
  4. Step 4: Simplify right side
    1,572,445.59x = 1,994,555,931,842.25
  5. Step 5: Solve for x
    x = 1,994,555,931,842.25/1,572,445.59
  6. Step 6: Final answer
    x = 1,268,441.94

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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.