Home / 1,249,120.52-1,723,685.91-705,388.58

Finding the Fourth Proportional to 1,249,120.52, 1,723,685.91 and 705,388.58

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Solution

The fourth proportional to 1,249,120.52, 1,723,685.91 and 705,388.58 is: 973,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,120.52 : 1,723,685.91 = 705,388.58 : x
  2. Step 2: Convert to fraction form
    1,249,120.52/1,723,685.91 = 705,388.58/x
  3. Step 3: Cross multiply
    1,249,120.52x = 1,723,685.91 × 705,388.58
  4. Step 4: Simplify right side
    1,249,120.52x = 1,215,868,356,420.91
  5. Step 5: Solve for x
    x = 1,215,868,356,420.91/1,249,120.52
  6. Step 6: Final answer
    x = 973,379.54

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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.