Home / 698,667.84-1,048,223.18-249,378.76

Finding the Fourth Proportional to 698,667.84, 1,048,223.18 and 249,378.76

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Solution

The fourth proportional to 698,667.84, 1,048,223.18 and 249,378.76 is: 374,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,667.84 : 1,048,223.18 = 249,378.76 : x
  2. Step 2: Convert to fraction form
    698,667.84/1,048,223.18 = 249,378.76/x
  3. Step 3: Cross multiply
    698,667.84x = 1,048,223.18 × 249,378.76
  4. Step 4: Simplify right side
    698,667.84x = 261,404,596,831.66
  5. Step 5: Solve for x
    x = 261,404,596,831.66/698,667.84
  6. Step 6: Final answer
    x = 374,147.17

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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.