Home / 1,225,467.58-1,690,455-735,310.39

Finding the Fourth Proportional to 1,225,467.58, 1,690,455 and 735,310.39

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Solution

The fourth proportional to 1,225,467.58, 1,690,455 and 735,310.39 is: 1,014,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,467.58 : 1,690,455 = 735,310.39 : x
  2. Step 2: Convert to fraction form
    1,225,467.58/1,690,455 = 735,310.39/x
  3. Step 3: Cross multiply
    1,225,467.58x = 1,690,455 × 735,310.39
  4. Step 4: Simplify right side
    1,225,467.58x = 1,243,009,125,327.45
  5. Step 5: Solve for x
    x = 1,243,009,125,327.45/1,225,467.58
  6. Step 6: Final answer
    x = 1,014,314.17

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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.