Home / 1,113,679.40-1,670,519.10-403,730.60

Finding the Fourth Proportional to 1,113,679.40, 1,670,519.10 and 403,730.60

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Solution

The fourth proportional to 1,113,679.40, 1,670,519.10 and 403,730.60 is: 605,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,679.40 : 1,670,519.10 = 403,730.60 : x
  2. Step 2: Convert to fraction form
    1,113,679.40/1,670,519.10 = 403,730.60/x
  3. Step 3: Cross multiply
    1,113,679.40x = 1,670,519.10 × 403,730.60
  4. Step 4: Simplify right side
    1,113,679.40x = 674,439,678,554.46
  5. Step 5: Solve for x
    x = 674,439,678,554.46/1,113,679.40
  6. Step 6: Final answer
    x = 605,595.90

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Similar ratio
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1.5x scale

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.