Home / 1,038,603.90-1,556,739.45-439,463.10

Finding the Fourth Proportional to 1,038,603.90, 1,556,739.45 and 439,463.10

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Solution

The fourth proportional to 1,038,603.90, 1,556,739.45 and 439,463.10 is: 658,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,603.90 : 1,556,739.45 = 439,463.10 : x
  2. Step 2: Convert to fraction form
    1,038,603.90/1,556,739.45 = 439,463.10/x
  3. Step 3: Cross multiply
    1,038,603.90x = 1,556,739.45 × 439,463.10
  4. Step 4: Simplify right side
    1,038,603.90x = 684,129,544,589.30
  5. Step 5: Solve for x
    x = 684,129,544,589.30/1,038,603.90
  6. Step 6: Final answer
    x = 658,701.11

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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.