Home / 1,185,947.58-1,636,620.48-642,094.68

Finding the Fourth Proportional to 1,185,947.58, 1,636,620.48 and 642,094.68

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Solution

The fourth proportional to 1,185,947.58, 1,636,620.48 and 642,094.68 is: 886,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,947.58 : 1,636,620.48 = 642,094.68 : x
  2. Step 2: Convert to fraction form
    1,185,947.58/1,636,620.48 = 642,094.68/x
  3. Step 3: Cross multiply
    1,185,947.58x = 1,636,620.48 × 642,094.68
  4. Step 4: Simplify right side
    1,185,947.58x = 1,050,865,303,387.05
  5. Step 5: Solve for x
    x = 1,050,865,303,387.05/1,185,947.58
  6. Step 6: Final answer
    x = 886,097.60

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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.