Home / 989,335.32-1,483,624.70-539,815.93

Finding the Fourth Proportional to 989,335.32, 1,483,624.70 and 539,815.93

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Solution

The fourth proportional to 989,335.32, 1,483,624.70 and 539,815.93 is: 809,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,335.32 : 1,483,624.70 = 539,815.93 : x
  2. Step 2: Convert to fraction form
    989,335.32/1,483,624.70 = 539,815.93/x
  3. Step 3: Cross multiply
    989,335.32x = 1,483,624.70 × 539,815.93
  4. Step 4: Simplify right side
    989,335.32x = 800,884,239,213.06
  5. Step 5: Solve for x
    x = 800,884,239,213.06/989,335.32
  6. Step 6: Final answer
    x = 809,517.48

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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.