Home / 1,113,708.60-1,670,562.90-403,735.80

Finding the Fourth Proportional to 1,113,708.60, 1,670,562.90 and 403,735.80

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Solution

The fourth proportional to 1,113,708.60, 1,670,562.90 and 403,735.80 is: 605,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,708.60 : 1,670,562.90 = 403,735.80 : x
  2. Step 2: Convert to fraction form
    1,113,708.60/1,670,562.90 = 403,735.80/x
  3. Step 3: Cross multiply
    1,113,708.60x = 1,670,562.90 × 403,735.80
  4. Step 4: Simplify right side
    1,113,708.60x = 674,466,048,881.82
  5. Step 5: Solve for x
    x = 674,466,048,881.82/1,113,708.60
  6. Step 6: Final answer
    x = 605,603.70

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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.