Home / 875,853.16-1,313,779.74-211,005.16

Finding the Fourth Proportional to 875,853.16, 1,313,779.74 and 211,005.16

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Solution

The fourth proportional to 875,853.16, 1,313,779.74 and 211,005.16 is: 316,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,853.16 : 1,313,779.74 = 211,005.16 : x
  2. Step 2: Convert to fraction form
    875,853.16/1,313,779.74 = 211,005.16/x
  3. Step 3: Cross multiply
    875,853.16x = 1,313,779.74 × 211,005.16
  4. Step 4: Simplify right side
    875,853.16x = 277,214,304,243.46
  5. Step 5: Solve for x
    x = 277,214,304,243.46/875,853.16
  6. Step 6: Final answer
    x = 316,507.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.