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Finding the Fourth Proportional to 1,162,746.90, 1,742,127.35 and 923,598.45

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Solution

The fourth proportional to 1,162,746.90, 1,742,127.35 and 923,598.45 is: 1,383,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,746.90 : 1,742,127.35 = 923,598.45 : x
  2. Step 2: Convert to fraction form
    1,162,746.90/1,742,127.35 = 923,598.45/x
  3. Step 3: Cross multiply
    1,162,746.90x = 1,742,127.35 × 923,598.45
  4. Step 4: Simplify right side
    1,162,746.90x = 1,609,026,115,544.62
  5. Step 5: Solve for x
    x = 1,609,026,115,544.62/1,162,746.90
  6. Step 6: Final answer
    x = 1,383,814.58

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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.