Home / 976,013.42-1,346,884.56-540,389.03

Finding the Fourth Proportional to 976,013.42, 1,346,884.56 and 540,389.03

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Solution

The fourth proportional to 976,013.42, 1,346,884.56 and 540,389.03 is: 745,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,013.42 : 1,346,884.56 = 540,389.03 : x
  2. Step 2: Convert to fraction form
    976,013.42/1,346,884.56 = 540,389.03/x
  3. Step 3: Cross multiply
    976,013.42x = 1,346,884.56 × 540,389.03
  4. Step 4: Simplify right side
    976,013.42x = 727,841,640,900.38
  5. Step 5: Solve for x
    x = 727,841,640,900.38/976,013.42
  6. Step 6: Final answer
    x = 745,729.13

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1.5x scale

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.