Home / 1,290,175.86-1,935,497.12-531,595.32

Finding the Fourth Proportional to 1,290,175.86, 1,935,497.12 and 531,595.32

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Solution

The fourth proportional to 1,290,175.86, 1,935,497.12 and 531,595.32 is: 797,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,175.86 : 1,935,497.12 = 531,595.32 : x
  2. Step 2: Convert to fraction form
    1,290,175.86/1,935,497.12 = 531,595.32/x
  3. Step 3: Cross multiply
    1,290,175.86x = 1,935,497.12 × 531,595.32
  4. Step 4: Simplify right side
    1,290,175.86x = 1,028,901,208,207.50
  5. Step 5: Solve for x
    x = 1,028,901,208,207.50/1,290,175.86
  6. Step 6: Final answer
    x = 797,489.12

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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.