Home / 1,712,345.76-2,568,547.44-647,889.12

Finding the Fourth Proportional to 1,712,345.76, 2,568,547.44 and 647,889.12

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Solution

The fourth proportional to 1,712,345.76, 2,568,547.44 and 647,889.12 is: 971,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,345.76 : 2,568,547.44 = 647,889.12 : x
  2. Step 2: Convert to fraction form
    1,712,345.76/2,568,547.44 = 647,889.12/x
  3. Step 3: Cross multiply
    1,712,345.76x = 2,568,547.44 × 647,889.12
  4. Step 4: Simplify right side
    1,712,345.76x = 1,664,133,940,579.85
  5. Step 5: Solve for x
    x = 1,664,133,940,579.85/1,712,345.76
  6. Step 6: Final answer
    x = 971,844.58

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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.