Home / 764,562.80-1,147,362.60-497,673.20

Finding the Fourth Proportional to 764,562.80, 1,147,362.60 and 497,673.20

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Solution

The fourth proportional to 764,562.80, 1,147,362.60 and 497,673.20 is: 746,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,562.80 : 1,147,362.60 = 497,673.20 : x
  2. Step 2: Convert to fraction form
    764,562.80/1,147,362.60 = 497,673.20/x
  3. Step 3: Cross multiply
    764,562.80x = 1,147,362.60 × 497,673.20
  4. Step 4: Simplify right side
    764,562.80x = 571,011,616,702.32
  5. Step 5: Solve for x
    x = 571,011,616,702.32/764,562.80
  6. Step 6: Final answer
    x = 746,847.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.