Home / 1,719,564.09-2,579,346.08-771,827.64

Finding the Fourth Proportional to 1,719,564.09, 2,579,346.08 and 771,827.64

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Solution

The fourth proportional to 1,719,564.09, 2,579,346.08 and 771,827.64 is: 1,157,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,564.09 : 2,579,346.08 = 771,827.64 : x
  2. Step 2: Convert to fraction form
    1,719,564.09/2,579,346.08 = 771,827.64/x
  3. Step 3: Cross multiply
    1,719,564.09x = 2,579,346.08 × 771,827.64
  4. Step 4: Simplify right side
    1,719,564.09x = 1,990,810,587,032.32
  5. Step 5: Solve for x
    x = 1,990,810,587,032.32/1,719,564.09
  6. Step 6: Final answer
    x = 1,157,741.43

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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.