Home / 916,646.50-1,375,007.01-436,627.54

Finding the Fourth Proportional to 916,646.50, 1,375,007.01 and 436,627.54

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Solution

The fourth proportional to 916,646.50, 1,375,007.01 and 436,627.54 is: 654,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,646.50 : 1,375,007.01 = 436,627.54 : x
  2. Step 2: Convert to fraction form
    916,646.50/1,375,007.01 = 436,627.54/x
  3. Step 3: Cross multiply
    916,646.50x = 1,375,007.01 × 436,627.54
  4. Step 4: Simplify right side
    916,646.50x = 600,365,928,259.06
  5. Step 5: Solve for x
    x = 600,365,928,259.06/916,646.50
  6. Step 6: Final answer
    x = 654,959.06

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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.