Home / 729,602.41-1,006,861.29-402,937.46

Finding the Fourth Proportional to 729,602.41, 1,006,861.29 and 402,937.46

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Solution

The fourth proportional to 729,602.41, 1,006,861.29 and 402,937.46 is: 556,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,602.41 : 1,006,861.29 = 402,937.46 : x
  2. Step 2: Convert to fraction form
    729,602.41/1,006,861.29 = 402,937.46/x
  3. Step 3: Cross multiply
    729,602.41x = 1,006,861.29 × 402,937.46
  4. Step 4: Simplify right side
    729,602.41x = 405,702,127,005.41
  5. Step 5: Solve for x
    x = 405,702,127,005.41/729,602.41
  6. Step 6: Final answer
    x = 556,059.19

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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.