Home / 1,171,909.44-1,617,266.88-662,688

Finding the Fourth Proportional to 1,171,909.44, 1,617,266.88 and 662,688

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Solution

The fourth proportional to 1,171,909.44, 1,617,266.88 and 662,688 is: 914,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,909.44 : 1,617,266.88 = 662,688 : x
  2. Step 2: Convert to fraction form
    1,171,909.44/1,617,266.88 = 662,688/x
  3. Step 3: Cross multiply
    1,171,909.44x = 1,617,266.88 × 662,688
  4. Step 4: Simplify right side
    1,171,909.44x = 1,071,743,354,173.44
  5. Step 5: Solve for x
    x = 1,071,743,354,173.44/1,171,909.44
  6. Step 6: Final answer
    x = 914,527.45

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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.