Home / 1,192,084.19-1,645,436.38-810,332.40

Finding the Fourth Proportional to 1,192,084.19, 1,645,436.38 and 810,332.40

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Solution

The fourth proportional to 1,192,084.19, 1,645,436.38 and 810,332.40 is: 1,118,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,084.19 : 1,645,436.38 = 810,332.40 : x
  2. Step 2: Convert to fraction form
    1,192,084.19/1,645,436.38 = 810,332.40/x
  3. Step 3: Cross multiply
    1,192,084.19x = 1,645,436.38 × 810,332.40
  4. Step 4: Simplify right side
    1,192,084.19x = 1,333,350,416,516.64
  5. Step 5: Solve for x
    x = 1,333,350,416,516.64/1,192,084.19
  6. Step 6: Final answer
    x = 1,118,503.57

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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.