Home / 683,977.10-943,871.93-373,865.77

Finding the Fourth Proportional to 683,977.10, 943,871.93 and 373,865.77

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Solution

The fourth proportional to 683,977.10, 943,871.93 and 373,865.77 is: 515,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,977.10 : 943,871.93 = 373,865.77 : x
  2. Step 2: Convert to fraction form
    683,977.10/943,871.93 = 373,865.77/x
  3. Step 3: Cross multiply
    683,977.10x = 943,871.93 × 373,865.77
  4. Step 4: Simplify right side
    683,977.10x = 352,881,405,890.84
  5. Step 5: Solve for x
    x = 352,881,405,890.84/683,977.10
  6. Step 6: Final answer
    x = 515,925.76

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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.