Home / 705,066.63-1,057,992.94-380,848.13

Finding the Fourth Proportional to 705,066.63, 1,057,992.94 and 380,848.13

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Solution

The fourth proportional to 705,066.63, 1,057,992.94 and 380,848.13 is: 571,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,066.63 : 1,057,992.94 = 380,848.13 : x
  2. Step 2: Convert to fraction form
    705,066.63/1,057,992.94 = 380,848.13/x
  3. Step 3: Cross multiply
    705,066.63x = 1,057,992.94 × 380,848.13
  4. Step 4: Simplify right side
    705,066.63x = 402,934,631,905.77
  5. Step 5: Solve for x
    x = 402,934,631,905.77/705,066.63
  6. Step 6: Final answer
    x = 571,484.48

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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.