Home / 1,638,259.71-2,260,808.88-913,153.40

Finding the Fourth Proportional to 1,638,259.71, 2,260,808.88 and 913,153.40

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Solution

The fourth proportional to 1,638,259.71, 2,260,808.88 and 913,153.40 is: 1,260,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,259.71 : 2,260,808.88 = 913,153.40 : x
  2. Step 2: Convert to fraction form
    1,638,259.71/2,260,808.88 = 913,153.40/x
  3. Step 3: Cross multiply
    1,638,259.71x = 2,260,808.88 × 913,153.40
  4. Step 4: Simplify right side
    1,638,259.71x = 2,064,465,304,218.15
  5. Step 5: Solve for x
    x = 2,064,465,304,218.15/1,638,259.71
  6. Step 6: Final answer
    x = 1,260,157.53

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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.