Home / 841,177.96-1,160,723.46-478,647.88

Finding the Fourth Proportional to 841,177.96, 1,160,723.46 and 478,647.88

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Solution

The fourth proportional to 841,177.96, 1,160,723.46 and 478,647.88 is: 660,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,177.96 : 1,160,723.46 = 478,647.88 : x
  2. Step 2: Convert to fraction form
    841,177.96/1,160,723.46 = 478,647.88/x
  3. Step 3: Cross multiply
    841,177.96x = 1,160,723.46 × 478,647.88
  4. Step 4: Simplify right side
    841,177.96x = 555,577,823,395.27
  5. Step 5: Solve for x
    x = 555,577,823,395.27/841,177.96
  6. Step 6: Final answer
    x = 660,475.96

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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.