Home / 647,629.40-971,444.10-568,897.40

Finding the Fourth Proportional to 647,629.40, 971,444.10 and 568,897.40

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Solution

The fourth proportional to 647,629.40, 971,444.10 and 568,897.40 is: 853,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,629.40 : 971,444.10 = 568,897.40 : x
  2. Step 2: Convert to fraction form
    647,629.40/971,444.10 = 568,897.40/x
  3. Step 3: Cross multiply
    647,629.40x = 971,444.10 × 568,897.40
  4. Step 4: Simplify right side
    647,629.40x = 552,652,022,735.34
  5. Step 5: Solve for x
    x = 552,652,022,735.34/647,629.40
  6. Step 6: Final answer
    x = 853,346.10

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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.