Home / 1,235,210.65-1,704,202.13-691,260.01

Finding the Fourth Proportional to 1,235,210.65, 1,704,202.13 and 691,260.01

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Solution

The fourth proportional to 1,235,210.65, 1,704,202.13 and 691,260.01 is: 953,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,210.65 : 1,704,202.13 = 691,260.01 : x
  2. Step 2: Convert to fraction form
    1,235,210.65/1,704,202.13 = 691,260.01/x
  3. Step 3: Cross multiply
    1,235,210.65x = 1,704,202.13 × 691,260.01
  4. Step 4: Simplify right side
    1,235,210.65x = 1,178,046,777,969.52
  5. Step 5: Solve for x
    x = 1,178,046,777,969.52/1,235,210.65
  6. Step 6: Final answer
    x = 953,721.36

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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.