Home / 1,118,551-1,678,045.80-444,506.66

Finding the Fourth Proportional to 1,118,551, 1,678,045.80 and 444,506.66

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Solution

The fourth proportional to 1,118,551, 1,678,045.80 and 444,506.66 is: 666,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,551 : 1,678,045.80 = 444,506.66 : x
  2. Step 2: Convert to fraction form
    1,118,551/1,678,045.80 = 444,506.66/x
  3. Step 3: Cross multiply
    1,118,551x = 1,678,045.80 × 444,506.66
  4. Step 4: Simplify right side
    1,118,551x = 745,902,533,885.03
  5. Step 5: Solve for x
    x = 745,902,533,885.03/1,118,551
  6. Step 6: Final answer
    x = 666,847.14

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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.