Home / 1,075,118.47-1,610,785.90-1,011,115.91

Finding the Fourth Proportional to 1,075,118.47, 1,610,785.90 and 1,011,115.91

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Solution

The fourth proportional to 1,075,118.47, 1,610,785.90 and 1,011,115.91 is: 1,514,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,118.47 : 1,610,785.90 = 1,011,115.91 : x
  2. Step 2: Convert to fraction form
    1,075,118.47/1,610,785.90 = 1,011,115.91/x
  3. Step 3: Cross multiply
    1,075,118.47x = 1,610,785.90 × 1,011,115.91
  4. Step 4: Simplify right side
    1,075,118.47x = 1,628,691,251,093.67
  5. Step 5: Solve for x
    x = 1,628,691,251,093.67/1,075,118.47
  6. Step 6: Final answer
    x = 1,514,894.68

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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.