Home / 764,071.84-1,054,484.88-424,608.16

Finding the Fourth Proportional to 764,071.84, 1,054,484.88 and 424,608.16

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Solution

The fourth proportional to 764,071.84, 1,054,484.88 and 424,608.16 is: 585,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,071.84 : 1,054,484.88 = 424,608.16 : x
  2. Step 2: Convert to fraction form
    764,071.84/1,054,484.88 = 424,608.16/x
  3. Step 3: Cross multiply
    764,071.84x = 1,054,484.88 × 424,608.16
  4. Step 4: Simplify right side
    764,071.84x = 447,742,884,644.62
  5. Step 5: Solve for x
    x = 447,742,884,644.62/764,071.84
  6. Step 6: Final answer
    x = 585,995.79

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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.