Home / 867,888.20-1,301,601.90-268,848.20

Finding the Fourth Proportional to 867,888.20, 1,301,601.90 and 268,848.20

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Solution

The fourth proportional to 867,888.20, 1,301,601.90 and 268,848.20 is: 403,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,888.20 : 1,301,601.90 = 268,848.20 : x
  2. Step 2: Convert to fraction form
    867,888.20/1,301,601.90 = 268,848.20/x
  3. Step 3: Cross multiply
    867,888.20x = 1,301,601.90 × 268,848.20
  4. Step 4: Simplify right side
    867,888.20x = 349,933,327,931.58
  5. Step 5: Solve for x
    x = 349,933,327,931.58/867,888.20
  6. Step 6: Final answer
    x = 403,200.93

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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.