Home / 785,260.81-1,083,715.91-445,750.93

Finding the Fourth Proportional to 785,260.81, 1,083,715.91 and 445,750.93

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Solution

The fourth proportional to 785,260.81, 1,083,715.91 and 445,750.93 is: 615,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,260.81 : 1,083,715.91 = 445,750.93 : x
  2. Step 2: Convert to fraction form
    785,260.81/1,083,715.91 = 445,750.93/x
  3. Step 3: Cross multiply
    785,260.81x = 1,083,715.91 × 445,750.93
  4. Step 4: Simplify right side
    785,260.81x = 483,067,374,738.30
  5. Step 5: Solve for x
    x = 483,067,374,738.30/785,260.81
  6. Step 6: Final answer
    x = 615,168.07

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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.