Home / 863,386.55-1,191,940.56-519,299.29

Finding the Fourth Proportional to 863,386.55, 1,191,940.56 and 519,299.29

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Solution

The fourth proportional to 863,386.55, 1,191,940.56 and 519,299.29 is: 716,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,386.55 : 1,191,940.56 = 519,299.29 : x
  2. Step 2: Convert to fraction form
    863,386.55/1,191,940.56 = 519,299.29/x
  3. Step 3: Cross multiply
    863,386.55x = 1,191,940.56 × 519,299.29
  4. Step 4: Simplify right side
    863,386.55x = 618,973,886,530.20
  5. Step 5: Solve for x
    x = 618,973,886,530.20/863,386.55
  6. Step 6: Final answer
    x = 716,913.98

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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.