Home / 730,185.68-1,007,235.72-439,595.12

Finding the Fourth Proportional to 730,185.68, 1,007,235.72 and 439,595.12

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Solution

The fourth proportional to 730,185.68, 1,007,235.72 and 439,595.12 is: 606,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,185.68 : 1,007,235.72 = 439,595.12 : x
  2. Step 2: Convert to fraction form
    730,185.68/1,007,235.72 = 439,595.12/x
  3. Step 3: Cross multiply
    730,185.68x = 1,007,235.72 × 439,595.12
  4. Step 4: Simplify right side
    730,185.68x = 442,775,907,201.69
  5. Step 5: Solve for x
    x = 442,775,907,201.69/730,185.68
  6. Step 6: Final answer
    x = 606,388.10

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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.