Home / 880,106.07-1,319,947.73-406,336.23

Finding the Fourth Proportional to 880,106.07, 1,319,947.73 and 406,336.23

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Solution

The fourth proportional to 880,106.07, 1,319,947.73 and 406,336.23 is: 609,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,106.07 : 1,319,947.73 = 406,336.23 : x
  2. Step 2: Convert to fraction form
    880,106.07/1,319,947.73 = 406,336.23/x
  3. Step 3: Cross multiply
    880,106.07x = 1,319,947.73 × 406,336.23
  4. Step 4: Simplify right side
    880,106.07x = 536,342,582,373.58
  5. Step 5: Solve for x
    x = 536,342,582,373.58/880,106.07
  6. Step 6: Final answer
    x = 609,406.75

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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.