Home / 753,684.48-1,040,090.40-414,158.40

Finding the Fourth Proportional to 753,684.48, 1,040,090.40 and 414,158.40

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Solution

The fourth proportional to 753,684.48, 1,040,090.40 and 414,158.40 is: 571,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,684.48 : 1,040,090.40 = 414,158.40 : x
  2. Step 2: Convert to fraction form
    753,684.48/1,040,090.40 = 414,158.40/x
  3. Step 3: Cross multiply
    753,684.48x = 1,040,090.40 × 414,158.40
  4. Step 4: Simplify right side
    753,684.48x = 430,762,175,919.36
  5. Step 5: Solve for x
    x = 430,762,175,919.36/753,684.48
  6. Step 6: Final answer
    x = 571,541.79

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1.5x scale

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.