Home / 498,528.24-688,047.96-317,050.96

Finding the Fourth Proportional to 498,528.24, 688,047.96 and 317,050.96

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Solution

The fourth proportional to 498,528.24, 688,047.96 and 317,050.96 is: 437,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,528.24 : 688,047.96 = 317,050.96 : x
  2. Step 2: Convert to fraction form
    498,528.24/688,047.96 = 317,050.96/x
  3. Step 3: Cross multiply
    498,528.24x = 688,047.96 × 317,050.96
  4. Step 4: Simplify right side
    498,528.24x = 218,146,266,244.04
  5. Step 5: Solve for x
    x = 218,146,266,244.04/498,528.24
  6. Step 6: Final answer
    x = 437,580.56

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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.