Home / 1,086,871.57-1,499,929.60-603,436.74

Finding the Fourth Proportional to 1,086,871.57, 1,499,929.60 and 603,436.74

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Solution

The fourth proportional to 1,086,871.57, 1,499,929.60 and 603,436.74 is: 832,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,871.57 : 1,499,929.60 = 603,436.74 : x
  2. Step 2: Convert to fraction form
    1,086,871.57/1,499,929.60 = 603,436.74/x
  3. Step 3: Cross multiply
    1,086,871.57x = 1,499,929.60 × 603,436.74
  4. Step 4: Simplify right side
    1,086,871.57x = 905,112,622,051.62
  5. Step 5: Solve for x
    x = 905,112,622,051.62/1,086,871.57
  6. Step 6: Final answer
    x = 832,768.70

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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.