Home / 1,638,259.64-2,260,808.79-913,153.33

Finding the Fourth Proportional to 1,638,259.64, 2,260,808.79 and 913,153.33

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Solution

The fourth proportional to 1,638,259.64, 2,260,808.79 and 913,153.33 is: 1,260,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,259.64 : 2,260,808.79 = 913,153.33 : x
  2. Step 2: Convert to fraction form
    1,638,259.64/2,260,808.79 = 913,153.33/x
  3. Step 3: Cross multiply
    1,638,259.64x = 2,260,808.79 × 913,153.33
  4. Step 4: Simplify right side
    1,638,259.64x = 2,064,465,075,081.77
  5. Step 5: Solve for x
    x = 2,064,465,075,081.77/1,638,259.64
  6. Step 6: Final answer
    x = 1,260,157.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.