Home / 1,673,295.12-2,309,161.86-909,348.60

Finding the Fourth Proportional to 1,673,295.12, 2,309,161.86 and 909,348.60

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Solution

The fourth proportional to 1,673,295.12, 2,309,161.86 and 909,348.60 is: 1,254,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,295.12 : 2,309,161.86 = 909,348.60 : x
  2. Step 2: Convert to fraction form
    1,673,295.12/2,309,161.86 = 909,348.60/x
  3. Step 3: Cross multiply
    1,673,295.12x = 2,309,161.86 × 909,348.60
  4. Step 4: Simplify right side
    1,673,295.12x = 2,099,833,104,564.40
  5. Step 5: Solve for x
    x = 2,099,833,104,564.40/1,673,295.12
  6. Step 6: Final answer
    x = 1,254,909.00

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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.