Home / 832,462.25-1,248,187.73-326,416.95

Finding the Fourth Proportional to 832,462.25, 1,248,187.73 and 326,416.95

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Solution

The fourth proportional to 832,462.25, 1,248,187.73 and 326,416.95 is: 489,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,462.25 : 1,248,187.73 = 326,416.95 : x
  2. Step 2: Convert to fraction form
    832,462.25/1,248,187.73 = 326,416.95/x
  3. Step 3: Cross multiply
    832,462.25x = 1,248,187.73 × 326,416.95
  4. Step 4: Simplify right side
    832,462.25x = 407,429,630,221.94
  5. Step 5: Solve for x
    x = 407,429,630,221.94/832,462.25
  6. Step 6: Final answer
    x = 489,427.16

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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.