Home / 1,200,886.74-1,801,351.98-402,019.38

Finding the Fourth Proportional to 1,200,886.74, 1,801,351.98 and 402,019.38

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Solution

The fourth proportional to 1,200,886.74, 1,801,351.98 and 402,019.38 is: 603,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,886.74 : 1,801,351.98 = 402,019.38 : x
  2. Step 2: Convert to fraction form
    1,200,886.74/1,801,351.98 = 402,019.38/x
  3. Step 3: Cross multiply
    1,200,886.74x = 1,801,351.98 × 402,019.38
  4. Step 4: Simplify right side
    1,200,886.74x = 724,178,406,161.37
  5. Step 5: Solve for x
    x = 724,178,406,161.37/1,200,886.74
  6. Step 6: Final answer
    x = 603,036.39

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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.