Home / 644,384.10-966,502.08-171,106.50

Finding the Fourth Proportional to 644,384.10, 966,502.08 and 171,106.50

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Solution

The fourth proportional to 644,384.10, 966,502.08 and 171,106.50 is: 256,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,384.10 : 966,502.08 = 171,106.50 : x
  2. Step 2: Convert to fraction form
    644,384.10/966,502.08 = 171,106.50/x
  3. Step 3: Cross multiply
    644,384.10x = 966,502.08 × 171,106.50
  4. Step 4: Simplify right side
    644,384.10x = 165,374,788,151.52
  5. Step 5: Solve for x
    x = 165,374,788,151.52/644,384.10
  6. Step 6: Final answer
    x = 256,640.08

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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.