Home / 1,216,973.80-1,825,460.70-768,201.40

Finding the Fourth Proportional to 1,216,973.80, 1,825,460.70 and 768,201.40

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Solution

The fourth proportional to 1,216,973.80, 1,825,460.70 and 768,201.40 is: 1,152,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,973.80 : 1,825,460.70 = 768,201.40 : x
  2. Step 2: Convert to fraction form
    1,216,973.80/1,825,460.70 = 768,201.40/x
  3. Step 3: Cross multiply
    1,216,973.80x = 1,825,460.70 × 768,201.40
  4. Step 4: Simplify right side
    1,216,973.80x = 1,402,321,465,384.98
  5. Step 5: Solve for x
    x = 1,402,321,465,384.98/1,216,973.80
  6. Step 6: Final answer
    x = 1,152,302.10

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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.