Home / 765,920.33-1,056,935.95-438,998.98

Finding the Fourth Proportional to 765,920.33, 1,056,935.95 and 438,998.98

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Solution

The fourth proportional to 765,920.33, 1,056,935.95 and 438,998.98 is: 605,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,920.33 : 1,056,935.95 = 438,998.98 : x
  2. Step 2: Convert to fraction form
    765,920.33/1,056,935.95 = 438,998.98/x
  3. Step 3: Cross multiply
    765,920.33x = 1,056,935.95 × 438,998.98
  4. Step 4: Simplify right side
    765,920.33x = 463,993,803,975.33
  5. Step 5: Solve for x
    x = 463,993,803,975.33/765,920.33
  6. Step 6: Final answer
    x = 605,799.04

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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.