Home / 1,529,140-2,293,986.84-630,081.76

Finding the Fourth Proportional to 1,529,140, 2,293,986.84 and 630,081.76

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Solution

The fourth proportional to 1,529,140, 2,293,986.84 and 630,081.76 is: 945,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,140 : 2,293,986.84 = 630,081.76 : x
  2. Step 2: Convert to fraction form
    1,529,140/2,293,986.84 = 630,081.76/x
  3. Step 3: Cross multiply
    1,529,140x = 2,293,986.84 × 630,081.76
  4. Step 4: Simplify right side
    1,529,140x = 1,445,399,265,564.04
  5. Step 5: Solve for x
    x = 1,445,399,265,564.04/1,529,140
  6. Step 6: Final answer
    x = 945,236.71

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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.