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Finding the Fourth Proportional to 1,360,566.44, 1,877,598.96 and 748,789.64

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Solution

The fourth proportional to 1,360,566.44, 1,877,598.96 and 748,789.64 is: 1,033,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,566.44 : 1,877,598.96 = 748,789.64 : x
  2. Step 2: Convert to fraction form
    1,360,566.44/1,877,598.96 = 748,789.64/x
  3. Step 3: Cross multiply
    1,360,566.44x = 1,877,598.96 × 748,789.64
  4. Step 4: Simplify right side
    1,360,566.44x = 1,405,926,649,322.77
  5. Step 5: Solve for x
    x = 1,405,926,649,322.77/1,360,566.44
  6. Step 6: Final answer
    x = 1,033,339.21

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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.