Home / 1,386,432.96-1,913,253.12-774,546

Finding the Fourth Proportional to 1,386,432.96, 1,913,253.12 and 774,546

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Solution

The fourth proportional to 1,386,432.96, 1,913,253.12 and 774,546 is: 1,068,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,432.96 : 1,913,253.12 = 774,546 : x
  2. Step 2: Convert to fraction form
    1,386,432.96/1,913,253.12 = 774,546/x
  3. Step 3: Cross multiply
    1,386,432.96x = 1,913,253.12 × 774,546
  4. Step 4: Simplify right side
    1,386,432.96x = 1,481,902,551,083.52
  5. Step 5: Solve for x
    x = 1,481,902,551,083.52/1,386,432.96
  6. Step 6: Final answer
    x = 1,068,859.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.