Home / 1,261,337.56-1,740,686.43-717,459.37

Finding the Fourth Proportional to 1,261,337.56, 1,740,686.43 and 717,459.37

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Solution

The fourth proportional to 1,261,337.56, 1,740,686.43 and 717,459.37 is: 990,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,337.56 : 1,740,686.43 = 717,459.37 : x
  2. Step 2: Convert to fraction form
    1,261,337.56/1,740,686.43 = 717,459.37/x
  3. Step 3: Cross multiply
    1,261,337.56x = 1,740,686.43 × 717,459.37
  4. Step 4: Simplify right side
    1,261,337.56x = 1,248,871,785,083.63
  5. Step 5: Solve for x
    x = 1,248,871,785,083.63/1,261,337.56
  6. Step 6: Final answer
    x = 990,117.02

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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.