Home / 1,611,139.51-2,416,528.69-413,089.98

Finding the Fourth Proportional to 1,611,139.51, 2,416,528.69 and 413,089.98

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Solution

The fourth proportional to 1,611,139.51, 2,416,528.69 and 413,089.98 is: 619,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,139.51 : 2,416,528.69 = 413,089.98 : x
  2. Step 2: Convert to fraction form
    1,611,139.51/2,416,528.69 = 413,089.98/x
  3. Step 3: Cross multiply
    1,611,139.51x = 2,416,528.69 × 413,089.98
  4. Step 4: Simplify right side
    1,611,139.51x = 998,243,778,126.82
  5. Step 5: Solve for x
    x = 998,243,778,126.82/1,611,139.51
  6. Step 6: Final answer
    x = 619,588.66

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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.