Home / 875,125.44-1,312,688.16-210,277.44

Finding the Fourth Proportional to 875,125.44, 1,312,688.16 and 210,277.44

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Solution

The fourth proportional to 875,125.44, 1,312,688.16 and 210,277.44 is: 315,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,125.44 : 1,312,688.16 = 210,277.44 : x
  2. Step 2: Convert to fraction form
    875,125.44/1,312,688.16 = 210,277.44/x
  3. Step 3: Cross multiply
    875,125.44x = 1,312,688.16 × 210,277.44
  4. Step 4: Simplify right side
    875,125.44x = 276,028,705,803.11
  5. Step 5: Solve for x
    x = 276,028,705,803.11/875,125.44
  6. Step 6: Final answer
    x = 315,416.16

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Double scale
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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.