Home / 1,173,165.84-1,618,968.84-636,621.84

Finding the Fourth Proportional to 1,173,165.84, 1,618,968.84 and 636,621.84

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Solution

The fourth proportional to 1,173,165.84, 1,618,968.84 and 636,621.84 is: 878,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,165.84 : 1,618,968.84 = 636,621.84 : x
  2. Step 2: Convert to fraction form
    1,173,165.84/1,618,968.84 = 636,621.84/x
  3. Step 3: Cross multiply
    1,173,165.84x = 1,618,968.84 × 636,621.84
  4. Step 4: Simplify right side
    1,173,165.84x = 1,030,670,921,823.47
  5. Step 5: Solve for x
    x = 1,030,670,921,823.47/1,173,165.84
  6. Step 6: Final answer
    x = 878,538.13

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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.