Home / 1,567,459.70-2,351,189.55-385,507.70

Finding the Fourth Proportional to 1,567,459.70, 2,351,189.55 and 385,507.70

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Solution

The fourth proportional to 1,567,459.70, 2,351,189.55 and 385,507.70 is: 578,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,459.70 : 2,351,189.55 = 385,507.70 : x
  2. Step 2: Convert to fraction form
    1,567,459.70/2,351,189.55 = 385,507.70/x
  3. Step 3: Cross multiply
    1,567,459.70x = 2,351,189.55 × 385,507.70
  4. Step 4: Simplify right side
    1,567,459.70x = 906,401,675,684.54
  5. Step 5: Solve for x
    x = 906,401,675,684.54/1,567,459.70
  6. Step 6: Final answer
    x = 578,261.55

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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.