Home / 1,527,940.19-2,108,513.40-865,590.35

Finding the Fourth Proportional to 1,527,940.19, 2,108,513.40 and 865,590.35

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Solution

The fourth proportional to 1,527,940.19, 2,108,513.40 and 865,590.35 is: 1,194,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,940.19 : 2,108,513.40 = 865,590.35 : x
  2. Step 2: Convert to fraction form
    1,527,940.19/2,108,513.40 = 865,590.35/x
  3. Step 3: Cross multiply
    1,527,940.19x = 2,108,513.40 × 865,590.35
  4. Step 4: Simplify right side
    1,527,940.19x = 1,825,108,841,343.12
  5. Step 5: Solve for x
    x = 1,825,108,841,343.12/1,527,940.19
  6. Step 6: Final answer
    x = 1,194,489.72

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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.