Home / 1,249,741.71-1,874,678.18-396,881.37

Finding the Fourth Proportional to 1,249,741.71, 1,874,678.18 and 396,881.37

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Solution

The fourth proportional to 1,249,741.71, 1,874,678.18 and 396,881.37 is: 595,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,741.71 : 1,874,678.18 = 396,881.37 : x
  2. Step 2: Convert to fraction form
    1,249,741.71/1,874,678.18 = 396,881.37/x
  3. Step 3: Cross multiply
    1,249,741.71x = 1,874,678.18 × 396,881.37
  4. Step 4: Simplify right side
    1,249,741.71x = 744,024,842,403.10
  5. Step 5: Solve for x
    x = 744,024,842,403.10/1,249,741.71
  6. Step 6: Final answer
    x = 595,342.89

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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.