Home / 698,763.76-1,047,887.78-249,364.42

Finding the Fourth Proportional to 698,763.76, 1,047,887.78 and 249,364.42

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Solution

The fourth proportional to 698,763.76, 1,047,887.78 and 249,364.42 is: 373,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,763.76 : 1,047,887.78 = 249,364.42 : x
  2. Step 2: Convert to fraction form
    698,763.76/1,047,887.78 = 249,364.42/x
  3. Step 3: Cross multiply
    698,763.76x = 1,047,887.78 × 249,364.42
  4. Step 4: Simplify right side
    698,763.76x = 261,305,928,484.79
  5. Step 5: Solve for x
    x = 261,305,928,484.79/698,763.76
  6. Step 6: Final answer
    x = 373,954.61

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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.