Home / 1,289,888.34-1,935,065.16-531,315.69

Finding the Fourth Proportional to 1,289,888.34, 1,935,065.16 and 531,315.69

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Solution

The fourth proportional to 1,289,888.34, 1,935,065.16 and 531,315.69 is: 797,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,888.34 : 1,935,065.16 = 531,315.69 : x
  2. Step 2: Convert to fraction form
    1,289,888.34/1,935,065.16 = 531,315.69/x
  3. Step 3: Cross multiply
    1,289,888.34x = 1,935,065.16 × 531,315.69
  4. Step 4: Simplify right side
    1,289,888.34x = 1,028,130,480,680.36
  5. Step 5: Solve for x
    x = 1,028,130,480,680.36/1,289,888.34
  6. Step 6: Final answer
    x = 797,069.37

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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.