Home / 976,013.67-1,346,884.91-540,389.28

Finding the Fourth Proportional to 976,013.67, 1,346,884.91 and 540,389.28

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Solution

The fourth proportional to 976,013.67, 1,346,884.91 and 540,389.28 is: 745,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,013.67 : 1,346,884.91 = 540,389.28 : x
  2. Step 2: Convert to fraction form
    976,013.67/1,346,884.91 = 540,389.28/x
  3. Step 3: Cross multiply
    976,013.67x = 1,346,884.91 × 540,389.28
  4. Step 4: Simplify right side
    976,013.67x = 727,842,164,055.82
  5. Step 5: Solve for x
    x = 727,842,164,055.82/976,013.67
  6. Step 6: Final answer
    x = 745,729.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.