Home / 1,066,547.80-1,599,821.70-783,112.60

Finding the Fourth Proportional to 1,066,547.80, 1,599,821.70 and 783,112.60

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Solution

The fourth proportional to 1,066,547.80, 1,599,821.70 and 783,112.60 is: 1,174,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,547.80 : 1,599,821.70 = 783,112.60 : x
  2. Step 2: Convert to fraction form
    1,066,547.80/1,599,821.70 = 783,112.60/x
  3. Step 3: Cross multiply
    1,066,547.80x = 1,599,821.70 × 783,112.60
  4. Step 4: Simplify right side
    1,066,547.80x = 1,252,840,531,023.42
  5. Step 5: Solve for x
    x = 1,252,840,531,023.42/1,066,547.80
  6. Step 6: Final answer
    x = 1,174,668.90

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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.