Home / 917,431.96-1,266,059.04-509,533.73

Finding the Fourth Proportional to 917,431.96, 1,266,059.04 and 509,533.73

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Solution

The fourth proportional to 917,431.96, 1,266,059.04 and 509,533.73 is: 703,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,431.96 : 1,266,059.04 = 509,533.73 : x
  2. Step 2: Convert to fraction form
    917,431.96/1,266,059.04 = 509,533.73/x
  3. Step 3: Cross multiply
    917,431.96x = 1,266,059.04 × 509,533.73
  4. Step 4: Simplify right side
    917,431.96x = 645,099,780,612.44
  5. Step 5: Solve for x
    x = 645,099,780,612.44/917,431.96
  6. Step 6: Final answer
    x = 703,158.17

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Double scale
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1.5x scale

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.