Home / 712,603.27-983,118.92-406,696.65

Finding the Fourth Proportional to 712,603.27, 983,118.92 and 406,696.65

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Solution

The fourth proportional to 712,603.27, 983,118.92 and 406,696.65 is: 561,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,603.27 : 983,118.92 = 406,696.65 : x
  2. Step 2: Convert to fraction form
    712,603.27/983,118.92 = 406,696.65/x
  3. Step 3: Cross multiply
    712,603.27x = 983,118.92 × 406,696.65
  4. Step 4: Simplify right side
    712,603.27x = 399,831,167,883.11
  5. Step 5: Solve for x
    x = 399,831,167,883.11/712,603.27
  6. Step 6: Final answer
    x = 561,085.23

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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.