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Finding the Fourth Proportional to 1,500,644, 2,070,695.84 and 856,025.72

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Solution

The fourth proportional to 1,500,644, 2,070,695.84 and 856,025.72 is: 1,181,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,644 : 2,070,695.84 = 856,025.72 : x
  2. Step 2: Convert to fraction form
    1,500,644/2,070,695.84 = 856,025.72/x
  3. Step 3: Cross multiply
    1,500,644x = 2,070,695.84 × 856,025.72
  4. Step 4: Simplify right side
    1,500,644x = 1,772,568,897,337.01
  5. Step 5: Solve for x
    x = 1,772,568,897,337.01/1,500,644
  6. Step 6: Final answer
    x = 1,181,205.47

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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.