Home / 811,110.70-1,216,666.05-706,134.70

Finding the Fourth Proportional to 811,110.70, 1,216,666.05 and 706,134.70

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Solution

The fourth proportional to 811,110.70, 1,216,666.05 and 706,134.70 is: 1,059,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,110.70 : 1,216,666.05 = 706,134.70 : x
  2. Step 2: Convert to fraction form
    811,110.70/1,216,666.05 = 706,134.70/x
  3. Step 3: Cross multiply
    811,110.70x = 1,216,666.05 × 706,134.70
  4. Step 4: Simplify right side
    811,110.70x = 859,130,116,216.94
  5. Step 5: Solve for x
    x = 859,130,116,216.94/811,110.70
  6. Step 6: Final answer
    x = 1,059,202.05

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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.