Home / 841,276.14-1,259,902.47-485,210.67

Finding the Fourth Proportional to 841,276.14, 1,259,902.47 and 485,210.67

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Solution

The fourth proportional to 841,276.14, 1,259,902.47 and 485,210.67 is: 726,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,276.14 : 1,259,902.47 = 485,210.67 : x
  2. Step 2: Convert to fraction form
    841,276.14/1,259,902.47 = 485,210.67/x
  3. Step 3: Cross multiply
    841,276.14x = 1,259,902.47 × 485,210.67
  4. Step 4: Simplify right side
    841,276.14x = 611,318,121,603.36
  5. Step 5: Solve for x
    x = 611,318,121,603.36/841,276.14
  6. Step 6: Final answer
    x = 726,655.72

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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.