Home / 580,271.40-869,946.30-317,615.40

Finding the Fourth Proportional to 580,271.40, 869,946.30 and 317,615.40

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Solution

The fourth proportional to 580,271.40, 869,946.30 and 317,615.40 is: 476,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,271.40 : 869,946.30 = 317,615.40 : x
  2. Step 2: Convert to fraction form
    580,271.40/869,946.30 = 317,615.40/x
  3. Step 3: Cross multiply
    580,271.40x = 869,946.30 × 317,615.40
  4. Step 4: Simplify right side
    580,271.40x = 276,308,342,053.02
  5. Step 5: Solve for x
    x = 276,308,342,053.02/580,271.40
  6. Step 6: Final answer
    x = 476,170.88

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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.