Home / 936,205.28-1,291,961.52-506,485.76

Finding the Fourth Proportional to 936,205.28, 1,291,961.52 and 506,485.76

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Solution

The fourth proportional to 936,205.28, 1,291,961.52 and 506,485.76 is: 698,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,205.28 : 1,291,961.52 = 506,485.76 : x
  2. Step 2: Convert to fraction form
    936,205.28/1,291,961.52 = 506,485.76/x
  3. Step 3: Cross multiply
    936,205.28x = 1,291,961.52 × 506,485.76
  4. Step 4: Simplify right side
    936,205.28x = 654,360,112,347.96
  5. Step 5: Solve for x
    x = 654,360,112,347.96/936,205.28
  6. Step 6: Final answer
    x = 698,949.39

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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.