Home / 909,184.34-1,363,783.31-403,609.40

Finding the Fourth Proportional to 909,184.34, 1,363,783.31 and 403,609.40

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Solution

The fourth proportional to 909,184.34, 1,363,783.31 and 403,609.40 is: 605,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,184.34 : 1,363,783.31 = 403,609.40 : x
  2. Step 2: Convert to fraction form
    909,184.34/1,363,783.31 = 403,609.40/x
  3. Step 3: Cross multiply
    909,184.34x = 1,363,783.31 × 403,609.40
  4. Step 4: Simplify right side
    909,184.34x = 550,435,759,704.54
  5. Step 5: Solve for x
    x = 550,435,759,704.54/909,184.34
  6. Step 6: Final answer
    x = 605,417.12

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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.