Home / 1,291,977.25-1,937,983.16-405,513.25

Finding the Fourth Proportional to 1,291,977.25, 1,937,983.16 and 405,513.25

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Solution

The fourth proportional to 1,291,977.25, 1,937,983.16 and 405,513.25 is: 608,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,977.25 : 1,937,983.16 = 405,513.25 : x
  2. Step 2: Convert to fraction form
    1,291,977.25/1,937,983.16 = 405,513.25/x
  3. Step 3: Cross multiply
    1,291,977.25x = 1,937,983.16 × 405,513.25
  4. Step 4: Simplify right side
    1,291,977.25x = 785,877,849,656.87
  5. Step 5: Solve for x
    x = 785,877,849,656.87/1,291,977.25
  6. Step 6: Final answer
    x = 608,275.30

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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.