Home / 447,729.60-671,594.40-395,241.60

Finding the Fourth Proportional to 447,729.60, 671,594.40 and 395,241.60

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Solution

The fourth proportional to 447,729.60, 671,594.40 and 395,241.60 is: 592,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,729.60 : 671,594.40 = 395,241.60 : x
  2. Step 2: Convert to fraction form
    447,729.60/671,594.40 = 395,241.60/x
  3. Step 3: Cross multiply
    447,729.60x = 671,594.40 × 395,241.60
  4. Step 4: Simplify right side
    447,729.60x = 265,442,045,207.04
  5. Step 5: Solve for x
    x = 265,442,045,207.04/447,729.60
  6. Step 6: Final answer
    x = 592,862.40

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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.