Home / 1,183,988.52-1,633,870.98-647,433

Finding the Fourth Proportional to 1,183,988.52, 1,633,870.98 and 647,433

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Solution

The fourth proportional to 1,183,988.52, 1,633,870.98 and 647,433 is: 893,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,988.52 : 1,633,870.98 = 647,433 : x
  2. Step 2: Convert to fraction form
    1,183,988.52/1,633,870.98 = 647,433/x
  3. Step 3: Cross multiply
    1,183,988.52x = 1,633,870.98 × 647,433
  4. Step 4: Simplify right side
    1,183,988.52x = 1,057,821,990,194.34
  5. Step 5: Solve for x
    x = 1,057,821,990,194.34/1,183,988.52
  6. Step 6: Final answer
    x = 893,439.40

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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.