Home / 1,507,783.34-2,080,757.16-819,455.18

Finding the Fourth Proportional to 1,507,783.34, 2,080,757.16 and 819,455.18

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Solution

The fourth proportional to 1,507,783.34, 2,080,757.16 and 819,455.18 is: 1,130,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,783.34 : 2,080,757.16 = 819,455.18 : x
  2. Step 2: Convert to fraction form
    1,507,783.34/2,080,757.16 = 819,455.18/x
  3. Step 3: Cross multiply
    1,507,783.34x = 2,080,757.16 × 819,455.18
  4. Step 4: Simplify right side
    1,507,783.34x = 1,705,087,233,084.09
  5. Step 5: Solve for x
    x = 1,705,087,233,084.09/1,507,783.34
  6. Step 6: Final answer
    x = 1,130,856.93

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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.