Home / 806,009.41-1,112,371.49-601,705.57

Finding the Fourth Proportional to 806,009.41, 1,112,371.49 and 601,705.57

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Solution

The fourth proportional to 806,009.41, 1,112,371.49 and 601,705.57 is: 830,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,009.41 : 1,112,371.49 = 601,705.57 : x
  2. Step 2: Convert to fraction form
    806,009.41/1,112,371.49 = 601,705.57/x
  3. Step 3: Cross multiply
    806,009.41x = 1,112,371.49 × 601,705.57
  4. Step 4: Simplify right side
    806,009.41x = 669,320,112,871.81
  5. Step 5: Solve for x
    x = 669,320,112,871.81/806,009.41
  6. Step 6: Final answer
    x = 830,412.28

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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.