Home / 898,405.20-1,345,459.41-518,173.23

Finding the Fourth Proportional to 898,405.20, 1,345,459.41 and 518,173.23

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Solution

The fourth proportional to 898,405.20, 1,345,459.41 and 518,173.23 is: 776,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,405.20 : 1,345,459.41 = 518,173.23 : x
  2. Step 2: Convert to fraction form
    898,405.20/1,345,459.41 = 518,173.23/x
  3. Step 3: Cross multiply
    898,405.20x = 1,345,459.41 × 518,173.23
  4. Step 4: Simplify right side
    898,405.20x = 697,181,048,313.59
  5. Step 5: Solve for x
    x = 697,181,048,313.59/898,405.20
  6. Step 6: Final answer
    x = 776,020.72

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1.5x scale

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.