Home / 2,782,483.28-4,174,323.40-863,356

Finding the Fourth Proportional to 2,782,483.28, 4,174,323.40 and 863,356

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Solution

The fourth proportional to 2,782,483.28, 4,174,323.40 and 863,356 is: 1,295,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,483.28 : 4,174,323.40 = 863,356 : x
  2. Step 2: Convert to fraction form
    2,782,483.28/4,174,323.40 = 863,356/x
  3. Step 3: Cross multiply
    2,782,483.28x = 4,174,323.40 × 863,356
  4. Step 4: Simplify right side
    2,782,483.28x = 3,603,927,153,330.40
  5. Step 5: Solve for x
    x = 3,603,927,153,330.40/2,782,483.28
  6. Step 6: Final answer
    x = 1,295,219.70

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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.