Home / 909,983.60-1,364,975.40-404,543.60

Finding the Fourth Proportional to 909,983.60, 1,364,975.40 and 404,543.60

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Solution

The fourth proportional to 909,983.60, 1,364,975.40 and 404,543.60 is: 606,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,983.60 : 1,364,975.40 = 404,543.60 : x
  2. Step 2: Convert to fraction form
    909,983.60/1,364,975.40 = 404,543.60/x
  3. Step 3: Cross multiply
    909,983.60x = 1,364,975.40 × 404,543.60
  4. Step 4: Simplify right side
    909,983.60x = 552,192,062,227.44
  5. Step 5: Solve for x
    x = 552,192,062,227.44/909,983.60
  6. Step 6: Final answer
    x = 606,815.40

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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.