Home / 1,214,078.61-1,820,690.41-404,243.10

Finding the Fourth Proportional to 1,214,078.61, 1,820,690.41 and 404,243.10

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Solution

The fourth proportional to 1,214,078.61, 1,820,690.41 and 404,243.10 is: 606,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,078.61 : 1,820,690.41 = 404,243.10 : x
  2. Step 2: Convert to fraction form
    1,214,078.61/1,820,690.41 = 404,243.10/x
  3. Step 3: Cross multiply
    1,214,078.61x = 1,820,690.41 × 404,243.10
  4. Step 4: Simplify right side
    1,214,078.61x = 736,001,534,468.06
  5. Step 5: Solve for x
    x = 736,001,534,468.06/1,214,078.61
  6. Step 6: Final answer
    x = 606,222.31

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Double scale
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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.