Home / 656,143.92-983,865.96-339,816.24

Finding the Fourth Proportional to 656,143.92, 983,865.96 and 339,816.24

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Solution

The fourth proportional to 656,143.92, 983,865.96 and 339,816.24 is: 509,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,143.92 : 983,865.96 = 339,816.24 : x
  2. Step 2: Convert to fraction form
    656,143.92/983,865.96 = 339,816.24/x
  3. Step 3: Cross multiply
    656,143.92x = 983,865.96 × 339,816.24
  4. Step 4: Simplify right side
    656,143.92x = 334,333,631,191.19
  5. Step 5: Solve for x
    x = 334,333,631,191.19/656,143.92
  6. Step 6: Final answer
    x = 509,543.14

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Double scale
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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.