Home / 1,427,355.01-2,140,824.15-416,205.28

Finding the Fourth Proportional to 1,427,355.01, 2,140,824.15 and 416,205.28

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Solution

The fourth proportional to 1,427,355.01, 2,140,824.15 and 416,205.28 is: 624,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,355.01 : 2,140,824.15 = 416,205.28 : x
  2. Step 2: Convert to fraction form
    1,427,355.01/2,140,824.15 = 416,205.28/x
  3. Step 3: Cross multiply
    1,427,355.01x = 2,140,824.15 × 416,205.28
  4. Step 4: Simplify right side
    1,427,355.01x = 891,022,312,700.49
  5. Step 5: Solve for x
    x = 891,022,312,700.49/1,427,355.01
  6. Step 6: Final answer
    x = 624,247.16

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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.