Home / 1,518,823.51-2,095,890.19-830,367.45

Finding the Fourth Proportional to 1,518,823.51, 2,095,890.19 and 830,367.45

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Solution

The fourth proportional to 1,518,823.51, 2,095,890.19 and 830,367.45 is: 1,145,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,823.51 : 2,095,890.19 = 830,367.45 : x
  2. Step 2: Convert to fraction form
    1,518,823.51/2,095,890.19 = 830,367.45/x
  3. Step 3: Cross multiply
    1,518,823.51x = 2,095,890.19 × 830,367.45
  4. Step 4: Simplify right side
    1,518,823.51x = 1,740,358,990,474.40
  5. Step 5: Solve for x
    x = 1,740,358,990,474.40/1,518,823.51
  6. Step 6: Final answer
    x = 1,145,859.93

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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.