Home / 1,427,127-2,141,005.30-416,328

Finding the Fourth Proportional to 1,427,127, 2,141,005.30 and 416,328

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Solution

The fourth proportional to 1,427,127, 2,141,005.30 and 416,328 is: 624,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,127 : 2,141,005.30 = 416,328 : x
  2. Step 2: Convert to fraction form
    1,427,127/2,141,005.30 = 416,328/x
  3. Step 3: Cross multiply
    1,427,127x = 2,141,005.30 × 416,328
  4. Step 4: Simplify right side
    1,427,127x = 891,360,454,538.40
  5. Step 5: Solve for x
    x = 891,360,454,538.40/1,427,127
  6. Step 6: Final answer
    x = 624,583.83

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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.