Home / 1,245,693.40-1,868,540.10-404,330.20

Finding the Fourth Proportional to 1,245,693.40, 1,868,540.10 and 404,330.20

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Solution

The fourth proportional to 1,245,693.40, 1,868,540.10 and 404,330.20 is: 606,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,693.40 : 1,868,540.10 = 404,330.20 : x
  2. Step 2: Convert to fraction form
    1,245,693.40/1,868,540.10 = 404,330.20/x
  3. Step 3: Cross multiply
    1,245,693.40x = 1,868,540.10 × 404,330.20
  4. Step 4: Simplify right side
    1,245,693.40x = 755,507,192,341.02
  5. Step 5: Solve for x
    x = 755,507,192,341.02/1,245,693.40
  6. Step 6: Final answer
    x = 606,495.30

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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.