Home / 1,662,969.40-2,495,110.20-651,919.30

Finding the Fourth Proportional to 1,662,969.40, 2,495,110.20 and 651,919.30

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Solution

The fourth proportional to 1,662,969.40, 2,495,110.20 and 651,919.30 is: 978,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,969.40 : 2,495,110.20 = 651,919.30 : x
  2. Step 2: Convert to fraction form
    1,662,969.40/2,495,110.20 = 651,919.30/x
  3. Step 3: Cross multiply
    1,662,969.40x = 2,495,110.20 × 651,919.30
  4. Step 4: Simplify right side
    1,662,969.40x = 1,626,610,495,006.86
  5. Step 5: Solve for x
    x = 1,626,610,495,006.86/1,662,969.40
  6. Step 6: Final answer
    x = 978,136.16

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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.