Home / 647,577.20-971,365.80-606,105.20

Finding the Fourth Proportional to 647,577.20, 971,365.80 and 606,105.20

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Solution

The fourth proportional to 647,577.20, 971,365.80 and 606,105.20 is: 909,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,577.20 : 971,365.80 = 606,105.20 : x
  2. Step 2: Convert to fraction form
    647,577.20/971,365.80 = 606,105.20/x
  3. Step 3: Cross multiply
    647,577.20x = 971,365.80 × 606,105.20
  4. Step 4: Simplify right side
    647,577.20x = 588,749,862,482.16
  5. Step 5: Solve for x
    x = 588,749,862,482.16/647,577.20
  6. Step 6: Final answer
    x = 909,157.80

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Similar ratio
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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.