Home / 1,191,987.38-1,788,776.14-433,828.65

Finding the Fourth Proportional to 1,191,987.38, 1,788,776.14 and 433,828.65

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Solution

The fourth proportional to 1,191,987.38, 1,788,776.14 and 433,828.65 is: 651,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,987.38 : 1,788,776.14 = 433,828.65 : x
  2. Step 2: Convert to fraction form
    1,191,987.38/1,788,776.14 = 433,828.65/x
  3. Step 3: Cross multiply
    1,191,987.38x = 1,788,776.14 × 433,828.65
  4. Step 4: Simplify right side
    1,191,987.38x = 776,022,337,968.41
  5. Step 5: Solve for x
    x = 776,022,337,968.41/1,191,987.38
  6. Step 6: Final answer
    x = 651,032.34

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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.