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Finding the Fourth Proportional to 895,430.76, 1,235,781.63 and 668,682.60

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Solution

The fourth proportional to 895,430.76, 1,235,781.63 and 668,682.60 is: 922,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,430.76 : 1,235,781.63 = 668,682.60 : x
  2. Step 2: Convert to fraction form
    895,430.76/1,235,781.63 = 668,682.60/x
  3. Step 3: Cross multiply
    895,430.76x = 1,235,781.63 × 668,682.60
  4. Step 4: Simplify right side
    895,430.76x = 826,345,673,380.64
  5. Step 5: Solve for x
    x = 826,345,673,380.64/895,430.76
  6. Step 6: Final answer
    x = 922,847.09

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Double scale
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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.