Home / 1,113,784.20-1,670,674.41-403,811.10

Finding the Fourth Proportional to 1,113,784.20, 1,670,674.41 and 403,811.10

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Solution

The fourth proportional to 1,113,784.20, 1,670,674.41 and 403,811.10 is: 605,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,784.20 : 1,670,674.41 = 403,811.10 : x
  2. Step 2: Convert to fraction form
    1,113,784.20/1,670,674.41 = 403,811.10/x
  3. Step 3: Cross multiply
    1,113,784.20x = 1,670,674.41 × 403,811.10
  4. Step 4: Simplify right side
    1,113,784.20x = 674,636,871,243.95
  5. Step 5: Solve for x
    x = 674,636,871,243.95/1,113,784.20
  6. Step 6: Final answer
    x = 605,715.96

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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.