Home / 1,436,552.34-2,154,828.52-489,931.26

Finding the Fourth Proportional to 1,436,552.34, 2,154,828.52 and 489,931.26

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Solution

The fourth proportional to 1,436,552.34, 2,154,828.52 and 489,931.26 is: 734,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,552.34 : 2,154,828.52 = 489,931.26 : x
  2. Step 2: Convert to fraction form
    1,436,552.34/2,154,828.52 = 489,931.26/x
  3. Step 3: Cross multiply
    1,436,552.34x = 2,154,828.52 × 489,931.26
  4. Step 4: Simplify right side
    1,436,552.34x = 1,055,717,851,887.54
  5. Step 5: Solve for x
    x = 1,055,717,851,887.54/1,436,552.34
  6. Step 6: Final answer
    x = 734,896.89

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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.