Home / 1,771,889.60-2,657,741.52-509,667.68

Finding the Fourth Proportional to 1,771,889.60, 2,657,741.52 and 509,667.68

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Solution

The fourth proportional to 1,771,889.60, 2,657,741.52 and 509,667.68 is: 764,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,889.60 : 2,657,741.52 = 509,667.68 : x
  2. Step 2: Convert to fraction form
    1,771,889.60/2,657,741.52 = 509,667.68/x
  3. Step 3: Cross multiply
    1,771,889.60x = 2,657,741.52 × 509,667.68
  4. Step 4: Simplify right side
    1,771,889.60x = 1,354,564,954,538.07
  5. Step 5: Solve for x
    x = 1,354,564,954,538.07/1,771,889.60
  6. Step 6: Final answer
    x = 764,474.80

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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.