Home / 1,221,276.93-1,831,920.08-510,806.58

Finding the Fourth Proportional to 1,221,276.93, 1,831,920.08 and 510,806.58

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Solution

The fourth proportional to 1,221,276.93, 1,831,920.08 and 510,806.58 is: 766,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,276.93 : 1,831,920.08 = 510,806.58 : x
  2. Step 2: Convert to fraction form
    1,221,276.93/1,831,920.08 = 510,806.58/x
  3. Step 3: Cross multiply
    1,221,276.93x = 1,831,920.08 × 510,806.58
  4. Step 4: Simplify right side
    1,221,276.93x = 935,756,828,344.09
  5. Step 5: Solve for x
    x = 935,756,828,344.09/1,221,276.93
  6. Step 6: Final answer
    x = 766,211.83

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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.