Home / 764,186.18-1,054,538.40-424,647.14

Finding the Fourth Proportional to 764,186.18, 1,054,538.40 and 424,647.14

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Solution

The fourth proportional to 764,186.18, 1,054,538.40 and 424,647.14 is: 585,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,186.18 : 1,054,538.40 = 424,647.14 : x
  2. Step 2: Convert to fraction form
    764,186.18/1,054,538.40 = 424,647.14/x
  3. Step 3: Cross multiply
    764,186.18x = 1,054,538.40 × 424,647.14
  4. Step 4: Simplify right side
    764,186.18x = 447,806,715,580.18
  5. Step 5: Solve for x
    x = 447,806,715,580.18/764,186.18
  6. Step 6: Final answer
    x = 585,991.64

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Double scale
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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.