Home / 1,038,399.30-1,557,598.95-439,205.04

Finding the Fourth Proportional to 1,038,399.30, 1,557,598.95 and 439,205.04

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Solution

The fourth proportional to 1,038,399.30, 1,557,598.95 and 439,205.04 is: 658,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,399.30 : 1,557,598.95 = 439,205.04 : x
  2. Step 2: Convert to fraction form
    1,038,399.30/1,557,598.95 = 439,205.04/x
  3. Step 3: Cross multiply
    1,038,399.30x = 1,557,598.95 × 439,205.04
  4. Step 4: Simplify right side
    1,038,399.30x = 684,105,309,138.71
  5. Step 5: Solve for x
    x = 684,105,309,138.71/1,038,399.30
  6. Step 6: Final answer
    x = 658,807.56

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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.