Home / 876,522.39-1,316,890.54-828,132.28

Finding the Fourth Proportional to 876,522.39, 1,316,890.54 and 828,132.28

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Solution

The fourth proportional to 876,522.39, 1,316,890.54 and 828,132.28 is: 1,244,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,522.39 : 1,316,890.54 = 828,132.28 : x
  2. Step 2: Convert to fraction form
    876,522.39/1,316,890.54 = 828,132.28/x
  3. Step 3: Cross multiply
    876,522.39x = 1,316,890.54 × 828,132.28
  4. Step 4: Simplify right side
    876,522.39x = 1,090,559,563,143.57
  5. Step 5: Solve for x
    x = 1,090,559,563,143.57/876,522.39
  6. Step 6: Final answer
    x = 1,244,189.06

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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.