Home / 817,056.39-1,127,537.79-459,360.39

Finding the Fourth Proportional to 817,056.39, 1,127,537.79 and 459,360.39

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Solution

The fourth proportional to 817,056.39, 1,127,537.79 and 459,360.39 is: 633,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,056.39 : 1,127,537.79 = 459,360.39 : x
  2. Step 2: Convert to fraction form
    817,056.39/1,127,537.79 = 459,360.39/x
  3. Step 3: Cross multiply
    817,056.39x = 1,127,537.79 × 459,360.39
  4. Step 4: Simplify right side
    817,056.39x = 517,946,198,954.14
  5. Step 5: Solve for x
    x = 517,946,198,954.14/817,056.39
  6. Step 6: Final answer
    x = 633,917.32

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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.