Home / 698,742.21-1,048,334.85-249,453.45

Finding the Fourth Proportional to 698,742.21, 1,048,334.85 and 249,453.45

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Solution

The fourth proportional to 698,742.21, 1,048,334.85 and 249,453.45 is: 374,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,742.21 : 1,048,334.85 = 249,453.45 : x
  2. Step 2: Convert to fraction form
    698,742.21/1,048,334.85 = 249,453.45/x
  3. Step 3: Cross multiply
    698,742.21x = 1,048,334.85 × 249,453.45
  4. Step 4: Simplify right side
    698,742.21x = 261,510,745,087.73
  5. Step 5: Solve for x
    x = 261,510,745,087.73/698,742.21
  6. Step 6: Final answer
    x = 374,259.26

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Double scale
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1.5x scale

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.