Home / 841,421.70-1,262,132.55-708,561.45

Finding the Fourth Proportional to 841,421.70, 1,262,132.55 and 708,561.45

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Solution

The fourth proportional to 841,421.70, 1,262,132.55 and 708,561.45 is: 1,062,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,421.70 : 1,262,132.55 = 708,561.45 : x
  2. Step 2: Convert to fraction form
    841,421.70/1,262,132.55 = 708,561.45/x
  3. Step 3: Cross multiply
    841,421.70x = 1,262,132.55 × 708,561.45
  4. Step 4: Simplify right side
    841,421.70x = 894,298,469,720.20
  5. Step 5: Solve for x
    x = 894,298,469,720.20/841,421.70
  6. Step 6: Final answer
    x = 1,062,842.18

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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.