Home / 1,116,534.15-1,674,811.35-317,815.38

Finding the Fourth Proportional to 1,116,534.15, 1,674,811.35 and 317,815.38

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Solution

The fourth proportional to 1,116,534.15, 1,674,811.35 and 317,815.38 is: 476,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,534.15 : 1,674,811.35 = 317,815.38 : x
  2. Step 2: Convert to fraction form
    1,116,534.15/1,674,811.35 = 317,815.38/x
  3. Step 3: Cross multiply
    1,116,534.15x = 1,674,811.35 × 317,815.38
  4. Step 4: Simplify right side
    1,116,534.15x = 532,280,805,628.56
  5. Step 5: Solve for x
    x = 532,280,805,628.56/1,116,534.15
  6. Step 6: Final answer
    x = 476,725.95

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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.