Home / 1,776,121.10-2,664,181.65-654,044.30

Finding the Fourth Proportional to 1,776,121.10, 2,664,181.65 and 654,044.30

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Solution

The fourth proportional to 1,776,121.10, 2,664,181.65 and 654,044.30 is: 981,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,121.10 : 2,664,181.65 = 654,044.30 : x
  2. Step 2: Convert to fraction form
    1,776,121.10/2,664,181.65 = 654,044.30/x
  3. Step 3: Cross multiply
    1,776,121.10x = 2,664,181.65 × 654,044.30
  4. Step 4: Simplify right side
    1,776,121.10x = 1,742,492,822,347.10
  5. Step 5: Solve for x
    x = 1,742,492,822,347.10/1,776,121.10
  6. Step 6: Final answer
    x = 981,066.45

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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.