Home / 1,719,567.46-2,579,351.12-771,831

Finding the Fourth Proportional to 1,719,567.46, 2,579,351.12 and 771,831

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Solution

The fourth proportional to 1,719,567.46, 2,579,351.12 and 771,831 is: 1,157,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,567.46 : 2,579,351.12 = 771,831 : x
  2. Step 2: Convert to fraction form
    1,719,567.46/2,579,351.12 = 771,831/x
  3. Step 3: Cross multiply
    1,719,567.46x = 2,579,351.12 × 771,831
  4. Step 4: Simplify right side
    1,719,567.46x = 1,990,823,154,300.72
  5. Step 5: Solve for x
    x = 1,990,823,154,300.72/1,719,567.46
  6. Step 6: Final answer
    x = 1,157,746.47

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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.