Home / 1,236,913.08-1,854,894.42-438,047.16

Finding the Fourth Proportional to 1,236,913.08, 1,854,894.42 and 438,047.16

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Solution

The fourth proportional to 1,236,913.08, 1,854,894.42 and 438,047.16 is: 656,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,913.08 : 1,854,894.42 = 438,047.16 : x
  2. Step 2: Convert to fraction form
    1,236,913.08/1,854,894.42 = 438,047.16/x
  3. Step 3: Cross multiply
    1,236,913.08x = 1,854,894.42 × 438,047.16
  4. Step 4: Simplify right side
    1,236,913.08x = 812,531,232,780.85
  5. Step 5: Solve for x
    x = 812,531,232,780.85/1,236,913.08
  6. Step 6: Final answer
    x = 656,902.45

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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.