Home / 730,936.18-1,008,784.55-408,665.32

Finding the Fourth Proportional to 730,936.18, 1,008,784.55 and 408,665.32

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Solution

The fourth proportional to 730,936.18, 1,008,784.55 and 408,665.32 is: 564,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,936.18 : 1,008,784.55 = 408,665.32 : x
  2. Step 2: Convert to fraction form
    730,936.18/1,008,784.55 = 408,665.32/x
  3. Step 3: Cross multiply
    730,936.18x = 1,008,784.55 × 408,665.32
  4. Step 4: Simplify right side
    730,936.18x = 412,255,260,936.81
  5. Step 5: Solve for x
    x = 412,255,260,936.81/730,936.18
  6. Step 6: Final answer
    x = 564,009.93

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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.