Home / 867,975.88-1,197,948.56-519,093.40

Finding the Fourth Proportional to 867,975.88, 1,197,948.56 and 519,093.40

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Solution

The fourth proportional to 867,975.88, 1,197,948.56 and 519,093.40 is: 716,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,975.88 : 1,197,948.56 = 519,093.40 : x
  2. Step 2: Convert to fraction form
    867,975.88/1,197,948.56 = 519,093.40/x
  3. Step 3: Cross multiply
    867,975.88x = 1,197,948.56 × 519,093.40
  4. Step 4: Simplify right side
    867,975.88x = 621,847,191,035.50
  5. Step 5: Solve for x
    x = 621,847,191,035.50/867,975.88
  6. Step 6: Final answer
    x = 716,433.72

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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.