Home / 1,173,459.83-1,619,097.00-664,162.21

Finding the Fourth Proportional to 1,173,459.83, 1,619,097.00 and 664,162.21

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Solution

The fourth proportional to 1,173,459.83, 1,619,097.00 and 664,162.21 is: 916,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,459.83 : 1,619,097.00 = 664,162.21 : x
  2. Step 2: Convert to fraction form
    1,173,459.83/1,619,097.00 = 664,162.21/x
  3. Step 3: Cross multiply
    1,173,459.83x = 1,619,097.00 × 664,162.21
  4. Step 4: Simplify right side
    1,173,459.83x = 1,075,343,040,439.84
  5. Step 5: Solve for x
    x = 1,075,343,040,439.84/1,173,459.83
  6. Step 6: Final answer
    x = 916,386.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.