Home / 1,072,966.23-1,609,199.66-399,364.76

Finding the Fourth Proportional to 1,072,966.23, 1,609,199.66 and 399,364.76

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Solution

The fourth proportional to 1,072,966.23, 1,609,199.66 and 399,364.76 is: 598,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,966.23 : 1,609,199.66 = 399,364.76 : x
  2. Step 2: Convert to fraction form
    1,072,966.23/1,609,199.66 = 399,364.76/x
  3. Step 3: Cross multiply
    1,072,966.23x = 1,609,199.66 × 399,364.76
  4. Step 4: Simplify right side
    1,072,966.23x = 642,657,625,965.16
  5. Step 5: Solve for x
    x = 642,657,625,965.16/1,072,966.23
  6. Step 6: Final answer
    x = 598,954.20

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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.