Home / 1,253,483.15-1,729,913.81-709,714.76

Finding the Fourth Proportional to 1,253,483.15, 1,729,913.81 and 709,714.76

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Solution

The fourth proportional to 1,253,483.15, 1,729,913.81 and 709,714.76 is: 979,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,483.15 : 1,729,913.81 = 709,714.76 : x
  2. Step 2: Convert to fraction form
    1,253,483.15/1,729,913.81 = 709,714.76/x
  3. Step 3: Cross multiply
    1,253,483.15x = 1,729,913.81 × 709,714.76
  4. Step 4: Simplify right side
    1,253,483.15x = 1,227,745,352,286.69
  5. Step 5: Solve for x
    x = 1,227,745,352,286.69/1,253,483.15
  6. Step 6: Final answer
    x = 979,466.98

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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.