Home / 963,439.75-1,329,484.51-527,856.50

Finding the Fourth Proportional to 963,439.75, 1,329,484.51 and 527,856.50

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Solution

The fourth proportional to 963,439.75, 1,329,484.51 and 527,856.50 is: 728,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,439.75 : 1,329,484.51 = 527,856.50 : x
  2. Step 2: Convert to fraction form
    963,439.75/1,329,484.51 = 527,856.50/x
  3. Step 3: Cross multiply
    963,439.75x = 1,329,484.51 × 527,856.50
  4. Step 4: Simplify right side
    963,439.75x = 701,777,037,613.53
  5. Step 5: Solve for x
    x = 701,777,037,613.53/963,439.75
  6. Step 6: Final answer
    x = 728,407.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.