Home / 566,938.40-849,241.20-389,645.60

Finding the Fourth Proportional to 566,938.40, 849,241.20 and 389,645.60

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Solution

The fourth proportional to 566,938.40, 849,241.20 and 389,645.60 is: 583,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,938.40 : 849,241.20 = 389,645.60 : x
  2. Step 2: Convert to fraction form
    566,938.40/849,241.20 = 389,645.60/x
  3. Step 3: Cross multiply
    566,938.40x = 849,241.20 × 389,645.60
  4. Step 4: Simplify right side
    566,938.40x = 330,903,096,918.72
  5. Step 5: Solve for x
    x = 330,903,096,918.72/566,938.40
  6. Step 6: Final answer
    x = 583,666.76

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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.