Home / 1,222,688.40-1,833,442.68-512,525.76

Finding the Fourth Proportional to 1,222,688.40, 1,833,442.68 and 512,525.76

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Solution

The fourth proportional to 1,222,688.40, 1,833,442.68 and 512,525.76 is: 768,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,688.40 : 1,833,442.68 = 512,525.76 : x
  2. Step 2: Convert to fraction form
    1,222,688.40/1,833,442.68 = 512,525.76/x
  3. Step 3: Cross multiply
    1,222,688.40x = 1,833,442.68 × 512,525.76
  4. Step 4: Simplify right side
    1,222,688.40x = 939,686,602,983.44
  5. Step 5: Solve for x
    x = 939,686,602,983.44/1,222,688.40
  6. Step 6: Final answer
    x = 768,541.36

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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.