Home / 875,795.50-1,313,693.25-210,947.50

Finding the Fourth Proportional to 875,795.50, 1,313,693.25 and 210,947.50

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Solution

The fourth proportional to 875,795.50, 1,313,693.25 and 210,947.50 is: 316,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,795.50 : 1,313,693.25 = 210,947.50 : x
  2. Step 2: Convert to fraction form
    875,795.50/1,313,693.25 = 210,947.50/x
  3. Step 3: Cross multiply
    875,795.50x = 1,313,693.25 × 210,947.50
  4. Step 4: Simplify right side
    875,795.50x = 277,120,306,854.38
  5. Step 5: Solve for x
    x = 277,120,306,854.38/875,795.50
  6. Step 6: Final answer
    x = 316,421.25

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Similar ratio
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1.5x scale

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.