Home / 642,731.66-884,950.41-545,733.35

Finding the Fourth Proportional to 642,731.66, 884,950.41 and 545,733.35

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Solution

The fourth proportional to 642,731.66, 884,950.41 and 545,733.35 is: 751,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,731.66 : 884,950.41 = 545,733.35 : x
  2. Step 2: Convert to fraction form
    642,731.66/884,950.41 = 545,733.35/x
  3. Step 3: Cross multiply
    642,731.66x = 884,950.41 × 545,733.35
  4. Step 4: Simplify right side
    642,731.66x = 482,946,952,773.49
  5. Step 5: Solve for x
    x = 482,946,952,773.49/642,731.66
  6. Step 6: Final answer
    x = 751,397.49

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1.5x scale

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.