Home / 900,953.03-1,242,884.43-556,664.55

Finding the Fourth Proportional to 900,953.03, 1,242,884.43 and 556,664.55

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Solution

The fourth proportional to 900,953.03, 1,242,884.43 and 556,664.55 is: 767,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,953.03 : 1,242,884.43 = 556,664.55 : x
  2. Step 2: Convert to fraction form
    900,953.03/1,242,884.43 = 556,664.55/x
  3. Step 3: Cross multiply
    900,953.03x = 1,242,884.43 × 556,664.55
  4. Step 4: Simplify right side
    900,953.03x = 691,869,701,927.96
  5. Step 5: Solve for x
    x = 691,869,701,927.96/900,953.03
  6. Step 6: Final answer
    x = 767,930.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.