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Finding the Fourth Proportional to 1,158,923.03, 1,738,884.05 and 626,818.64

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Solution

The fourth proportional to 1,158,923.03, 1,738,884.05 and 626,818.64 is: 940,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,923.03 : 1,738,884.05 = 626,818.64 : x
  2. Step 2: Convert to fraction form
    1,158,923.03/1,738,884.05 = 626,818.64/x
  3. Step 3: Cross multiply
    1,158,923.03x = 1,738,884.05 × 626,818.64
  4. Step 4: Simplify right side
    1,158,923.03x = 1,089,964,941,252.95
  5. Step 5: Solve for x
    x = 1,089,964,941,252.95/1,158,923.03
  6. Step 6: Final answer
    x = 940,498.13

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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.