Home / 1,620,935.28-2,431,402.92-623,430

Finding the Fourth Proportional to 1,620,935.28, 2,431,402.92 and 623,430

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Solution

The fourth proportional to 1,620,935.28, 2,431,402.92 and 623,430 is: 935,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,935.28 : 2,431,402.92 = 623,430 : x
  2. Step 2: Convert to fraction form
    1,620,935.28/2,431,402.92 = 623,430/x
  3. Step 3: Cross multiply
    1,620,935.28x = 2,431,402.92 × 623,430
  4. Step 4: Simplify right side
    1,620,935.28x = 1,515,809,522,415.60
  5. Step 5: Solve for x
    x = 1,515,809,522,415.60/1,620,935.28
  6. Step 6: Final answer
    x = 935,145.00

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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.