Home / 1,140,162.28-1,573,399.70-623,914.11

Finding the Fourth Proportional to 1,140,162.28, 1,573,399.70 and 623,914.11

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Solution

The fourth proportional to 1,140,162.28, 1,573,399.70 and 623,914.11 is: 860,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,162.28 : 1,573,399.70 = 623,914.11 : x
  2. Step 2: Convert to fraction form
    1,140,162.28/1,573,399.70 = 623,914.11/x
  3. Step 3: Cross multiply
    1,140,162.28x = 1,573,399.70 × 623,914.11
  4. Step 4: Simplify right side
    1,140,162.28x = 981,666,274,313.70
  5. Step 5: Solve for x
    x = 981,666,274,313.70/1,140,162.28
  6. Step 6: Final answer
    x = 860,988.20

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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.