Home / 1,323,213.92-1,985,476.72-524,477.76

Finding the Fourth Proportional to 1,323,213.92, 1,985,476.72 and 524,477.76

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Solution

The fourth proportional to 1,323,213.92, 1,985,476.72 and 524,477.76 is: 786,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,213.92 : 1,985,476.72 = 524,477.76 : x
  2. Step 2: Convert to fraction form
    1,323,213.92/1,985,476.72 = 524,477.76/x
  3. Step 3: Cross multiply
    1,323,213.92x = 1,985,476.72 × 524,477.76
  4. Step 4: Simplify right side
    1,323,213.92x = 1,041,338,382,637.75
  5. Step 5: Solve for x
    x = 1,041,338,382,637.75/1,323,213.92
  6. Step 6: Final answer
    x = 786,976.59

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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.