Home / 1,249,653.61-1,724,538.72-698,345.09

Finding the Fourth Proportional to 1,249,653.61, 1,724,538.72 and 698,345.09

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Solution

The fourth proportional to 1,249,653.61, 1,724,538.72 and 698,345.09 is: 963,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,653.61 : 1,724,538.72 = 698,345.09 : x
  2. Step 2: Convert to fraction form
    1,249,653.61/1,724,538.72 = 698,345.09/x
  3. Step 3: Cross multiply
    1,249,653.61x = 1,724,538.72 × 698,345.09
  4. Step 4: Simplify right side
    1,249,653.61x = 1,204,323,147,626.88
  5. Step 5: Solve for x
    x = 1,204,323,147,626.88/1,249,653.61
  6. Step 6: Final answer
    x = 963,725.58

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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.