Home / 1,229,117.76-1,696,176.45-712,976.04

Finding the Fourth Proportional to 1,229,117.76, 1,696,176.45 and 712,976.04

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Solution

The fourth proportional to 1,229,117.76, 1,696,176.45 and 712,976.04 is: 983,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,117.76 : 1,696,176.45 = 712,976.04 : x
  2. Step 2: Convert to fraction form
    1,229,117.76/1,696,176.45 = 712,976.04/x
  3. Step 3: Cross multiply
    1,229,117.76x = 1,696,176.45 × 712,976.04
  4. Step 4: Simplify right side
    1,229,117.76x = 1,209,333,168,462.26
  5. Step 5: Solve for x
    x = 1,209,333,168,462.26/1,229,117.76
  6. Step 6: Final answer
    x = 983,903.42

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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.