Home / 909,171.38-1,254,804.36-546,961.34

Finding the Fourth Proportional to 909,171.38, 1,254,804.36 and 546,961.34

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Solution

The fourth proportional to 909,171.38, 1,254,804.36 and 546,961.34 is: 754,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,171.38 : 1,254,804.36 = 546,961.34 : x
  2. Step 2: Convert to fraction form
    909,171.38/1,254,804.36 = 546,961.34/x
  3. Step 3: Cross multiply
    909,171.38x = 1,254,804.36 × 546,961.34
  4. Step 4: Simplify right side
    909,171.38x = 686,329,474,183.44
  5. Step 5: Solve for x
    x = 686,329,474,183.44/909,171.38
  6. Step 6: Final answer
    x = 754,895.60

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1.5x scale

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.