Home / 514,733.88-771,911.28-177,688.56

Finding the Fourth Proportional to 514,733.88, 771,911.28 and 177,688.56

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Solution

The fourth proportional to 514,733.88, 771,911.28 and 177,688.56 is: 266,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,733.88 : 771,911.28 = 177,688.56 : x
  2. Step 2: Convert to fraction form
    514,733.88/771,911.28 = 177,688.56/x
  3. Step 3: Cross multiply
    514,733.88x = 771,911.28 × 177,688.56
  4. Step 4: Simplify right side
    514,733.88x = 137,159,803,790.96
  5. Step 5: Solve for x
    x = 137,159,803,790.96/514,733.88
  6. Step 6: Final answer
    x = 266,467.41

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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.