Home / 469,935.30-648,493.23-255,070.74

Finding the Fourth Proportional to 469,935.30, 648,493.23 and 255,070.74

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Solution

The fourth proportional to 469,935.30, 648,493.23 and 255,070.74 is: 351,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,935.30 : 648,493.23 = 255,070.74 : x
  2. Step 2: Convert to fraction form
    469,935.30/648,493.23 = 255,070.74/x
  3. Step 3: Cross multiply
    469,935.30x = 648,493.23 × 255,070.74
  4. Step 4: Simplify right side
    469,935.30x = 165,411,648,061.09
  5. Step 5: Solve for x
    x = 165,411,648,061.09/469,935.30
  6. Step 6: Final answer
    x = 351,988.13

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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.