Home / 1,207,428.36-1,808,153.09-886,819.93

Finding the Fourth Proportional to 1,207,428.36, 1,808,153.09 and 886,819.93

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Solution

The fourth proportional to 1,207,428.36, 1,808,153.09 and 886,819.93 is: 1,328,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,428.36 : 1,808,153.09 = 886,819.93 : x
  2. Step 2: Convert to fraction form
    1,207,428.36/1,808,153.09 = 886,819.93/x
  3. Step 3: Cross multiply
    1,207,428.36x = 1,808,153.09 × 886,819.93
  4. Step 4: Simplify right side
    1,207,428.36x = 1,603,506,196,062.54
  5. Step 5: Solve for x
    x = 1,603,506,196,062.54/1,207,428.36
  6. Step 6: Final answer
    x = 1,328,034.24

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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.