Home / 914,643.04-1,372,806.64-465,684.80

Finding the Fourth Proportional to 914,643.04, 1,372,806.64 and 465,684.80

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Solution

The fourth proportional to 914,643.04, 1,372,806.64 and 465,684.80 is: 698,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,643.04 : 1,372,806.64 = 465,684.80 : x
  2. Step 2: Convert to fraction form
    914,643.04/1,372,806.64 = 465,684.80/x
  3. Step 3: Cross multiply
    914,643.04x = 1,372,806.64 × 465,684.80
  4. Step 4: Simplify right side
    914,643.04x = 639,295,185,587.07
  5. Step 5: Solve for x
    x = 639,295,185,587.07/914,643.04
  6. Step 6: Final answer
    x = 698,955.94

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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.