Home / 1,011,942.98-1,517,690.84-292,128.24

Finding the Fourth Proportional to 1,011,942.98, 1,517,690.84 and 292,128.24

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Solution

The fourth proportional to 1,011,942.98, 1,517,690.84 and 292,128.24 is: 438,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,942.98 : 1,517,690.84 = 292,128.24 : x
  2. Step 2: Convert to fraction form
    1,011,942.98/1,517,690.84 = 292,128.24/x
  3. Step 3: Cross multiply
    1,011,942.98x = 1,517,690.84 × 292,128.24
  4. Step 4: Simplify right side
    1,011,942.98x = 443,360,353,953.32
  5. Step 5: Solve for x
    x = 443,360,353,953.32/1,011,942.98
  6. Step 6: Final answer
    x = 438,127.80

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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.