Home / 1,435,905.60-2,153,858.40-1,155,969.60

Finding the Fourth Proportional to 1,435,905.60, 2,153,858.40 and 1,155,969.60

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Solution

The fourth proportional to 1,435,905.60, 2,153,858.40 and 1,155,969.60 is: 1,733,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,905.60 : 2,153,858.40 = 1,155,969.60 : x
  2. Step 2: Convert to fraction form
    1,435,905.60/2,153,858.40 = 1,155,969.60/x
  3. Step 3: Cross multiply
    1,435,905.60x = 2,153,858.40 × 1,155,969.60
  4. Step 4: Simplify right side
    1,435,905.60x = 2,489,794,833,104.64
  5. Step 5: Solve for x
    x = 2,489,794,833,104.64/1,435,905.60
  6. Step 6: Final answer
    x = 1,733,954.40

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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.