Home / 1,218,705.66-1,683,565.62-973,368.30

Finding the Fourth Proportional to 1,218,705.66, 1,683,565.62 and 973,368.30

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Solution

The fourth proportional to 1,218,705.66, 1,683,565.62 and 973,368.30 is: 1,344,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,705.66 : 1,683,565.62 = 973,368.30 : x
  2. Step 2: Convert to fraction form
    1,218,705.66/1,683,565.62 = 973,368.30/x
  3. Step 3: Cross multiply
    1,218,705.66x = 1,683,565.62 × 973,368.30
  4. Step 4: Simplify right side
    1,218,705.66x = 1,638,729,405,477.85
  5. Step 5: Solve for x
    x = 1,638,729,405,477.85/1,218,705.66
  6. Step 6: Final answer
    x = 1,344,647.41

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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.