Home / 764,030.64-1,054,354.68-424,491.60

Finding the Fourth Proportional to 764,030.64, 1,054,354.68 and 424,491.60

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Solution

The fourth proportional to 764,030.64, 1,054,354.68 and 424,491.60 is: 585,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,030.64 : 1,054,354.68 = 424,491.60 : x
  2. Step 2: Convert to fraction form
    764,030.64/1,054,354.68 = 424,491.60/x
  3. Step 3: Cross multiply
    764,030.64x = 1,054,354.68 × 424,491.60
  4. Step 4: Simplify right side
    764,030.64x = 447,564,705,080.69
  5. Step 5: Solve for x
    x = 447,564,705,080.69/764,030.64
  6. Step 6: Final answer
    x = 585,794.18

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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.