Home / 1,192,985.91-1,789,478.87-434,884.23

Finding the Fourth Proportional to 1,192,985.91, 1,789,478.87 and 434,884.23

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Solution

The fourth proportional to 1,192,985.91, 1,789,478.87 and 434,884.23 is: 652,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,985.91 : 1,789,478.87 = 434,884.23 : x
  2. Step 2: Convert to fraction form
    1,192,985.91/1,789,478.87 = 434,884.23/x
  3. Step 3: Cross multiply
    1,192,985.91x = 1,789,478.87 × 434,884.23
  4. Step 4: Simplify right side
    1,192,985.91x = 778,216,138,306.80
  5. Step 5: Solve for x
    x = 778,216,138,306.80/1,192,985.91
  6. Step 6: Final answer
    x = 652,326.35

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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.