Home / 1,539,610.30-2,309,143.29-417,766.78

Finding the Fourth Proportional to 1,539,610.30, 2,309,143.29 and 417,766.78

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Solution

The fourth proportional to 1,539,610.30, 2,309,143.29 and 417,766.78 is: 626,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,610.30 : 2,309,143.29 = 417,766.78 : x
  2. Step 2: Convert to fraction form
    1,539,610.30/2,309,143.29 = 417,766.78/x
  3. Step 3: Cross multiply
    1,539,610.30x = 2,309,143.29 × 417,766.78
  4. Step 4: Simplify right side
    1,539,610.30x = 964,683,349,482.42
  5. Step 5: Solve for x
    x = 964,683,349,482.42/1,539,610.30
  6. Step 6: Final answer
    x = 626,576.32

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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.