Home / 1,678,807.80-2,518,794.90-732,857.40

Finding the Fourth Proportional to 1,678,807.80, 2,518,794.90 and 732,857.40

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Solution

The fourth proportional to 1,678,807.80, 2,518,794.90 and 732,857.40 is: 1,099,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,807.80 : 2,518,794.90 = 732,857.40 : x
  2. Step 2: Convert to fraction form
    1,678,807.80/2,518,794.90 = 732,857.40/x
  3. Step 3: Cross multiply
    1,678,807.80x = 2,518,794.90 × 732,857.40
  4. Step 4: Simplify right side
    1,678,807.80x = 1,845,917,481,547.26
  5. Step 5: Solve for x
    x = 1,845,917,481,547.26/1,678,807.80
  6. Step 6: Final answer
    x = 1,099,540.69

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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.