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Finding the Fourth Proportional to 956,656, 1,320,089.50 and 589,074.22

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Solution

The fourth proportional to 956,656, 1,320,089.50 and 589,074.22 is: 812,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,656 : 1,320,089.50 = 589,074.22 : x
  2. Step 2: Convert to fraction form
    956,656/1,320,089.50 = 589,074.22/x
  3. Step 3: Cross multiply
    956,656x = 1,320,089.50 × 589,074.22
  4. Step 4: Simplify right side
    956,656x = 777,630,692,542.69
  5. Step 5: Solve for x
    x = 777,630,692,542.69/956,656
  6. Step 6: Final answer
    x = 812,863.45

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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.