Home / 1,388,081.40-2,082,340.80-441,547.80

Finding the Fourth Proportional to 1,388,081.40, 2,082,340.80 and 441,547.80

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Solution

The fourth proportional to 1,388,081.40, 2,082,340.80 and 441,547.80 is: 662,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,081.40 : 2,082,340.80 = 441,547.80 : x
  2. Step 2: Convert to fraction form
    1,388,081.40/2,082,340.80 = 441,547.80/x
  3. Step 3: Cross multiply
    1,388,081.40x = 2,082,340.80 × 441,547.80
  4. Step 4: Simplify right side
    1,388,081.40x = 919,452,999,090.24
  5. Step 5: Solve for x
    x = 919,452,999,090.24/1,388,081.40
  6. Step 6: Final answer
    x = 662,391.27

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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.