Home / 1,059,712.81-1,589,346.56-349,574.47

Finding the Fourth Proportional to 1,059,712.81, 1,589,346.56 and 349,574.47

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Solution

The fourth proportional to 1,059,712.81, 1,589,346.56 and 349,574.47 is: 524,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,712.81 : 1,589,346.56 = 349,574.47 : x
  2. Step 2: Convert to fraction form
    1,059,712.81/1,589,346.56 = 349,574.47/x
  3. Step 3: Cross multiply
    1,059,712.81x = 1,589,346.56 × 349,574.47
  4. Step 4: Simplify right side
    1,059,712.81x = 555,594,978,258.89
  5. Step 5: Solve for x
    x = 555,594,978,258.89/1,059,712.81
  6. Step 6: Final answer
    x = 524,288.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.