Home / 1,216,673.36-1,679,020.04-672,845.68

Finding the Fourth Proportional to 1,216,673.36, 1,679,020.04 and 672,845.68

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Solution

The fourth proportional to 1,216,673.36, 1,679,020.04 and 672,845.68 is: 928,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,673.36 : 1,679,020.04 = 672,845.68 : x
  2. Step 2: Convert to fraction form
    1,216,673.36/1,679,020.04 = 672,845.68/x
  3. Step 3: Cross multiply
    1,216,673.36x = 1,679,020.04 × 672,845.68
  4. Step 4: Simplify right side
    1,216,673.36x = 1,129,721,380,547.43
  5. Step 5: Solve for x
    x = 1,129,721,380,547.43/1,216,673.36
  6. Step 6: Final answer
    x = 928,533.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.