Home / 1,116,537.15-1,674,815.85-317,818.38

Finding the Fourth Proportional to 1,116,537.15, 1,674,815.85 and 317,818.38

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Solution

The fourth proportional to 1,116,537.15, 1,674,815.85 and 317,818.38 is: 476,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,537.15 : 1,674,815.85 = 317,818.38 : x
  2. Step 2: Convert to fraction form
    1,116,537.15/1,674,815.85 = 317,818.38/x
  3. Step 3: Cross multiply
    1,116,537.15x = 1,674,815.85 × 317,818.38
  4. Step 4: Simplify right side
    1,116,537.15x = 532,287,260,245.32
  5. Step 5: Solve for x
    x = 532,287,260,245.32/1,116,537.15
  6. Step 6: Final answer
    x = 476,730.45

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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.