Home / 1,115,724.78-1,539,705.51-606,426.75

Finding the Fourth Proportional to 1,115,724.78, 1,539,705.51 and 606,426.75

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Solution

The fourth proportional to 1,115,724.78, 1,539,705.51 and 606,426.75 is: 836,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,724.78 : 1,539,705.51 = 606,426.75 : x
  2. Step 2: Convert to fraction form
    1,115,724.78/1,539,705.51 = 606,426.75/x
  3. Step 3: Cross multiply
    1,115,724.78x = 1,539,705.51 × 606,426.75
  4. Step 4: Simplify right side
    1,115,724.78x = 933,718,608,386.39
  5. Step 5: Solve for x
    x = 933,718,608,386.39/1,115,724.78
  6. Step 6: Final answer
    x = 836,871.80

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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.