Home / 1,069,866.90-1,605,707.55-439,233.30

Finding the Fourth Proportional to 1,069,866.90, 1,605,707.55 and 439,233.30

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Solution

The fourth proportional to 1,069,866.90, 1,605,707.55 and 439,233.30 is: 659,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,866.90 : 1,605,707.55 = 439,233.30 : x
  2. Step 2: Convert to fraction form
    1,069,866.90/1,605,707.55 = 439,233.30/x
  3. Step 3: Cross multiply
    1,069,866.90x = 1,605,707.55 × 439,233.30
  4. Step 4: Simplify right side
    1,069,866.90x = 705,280,226,021.42
  5. Step 5: Solve for x
    x = 705,280,226,021.42/1,069,866.90
  6. Step 6: Final answer
    x = 659,222.40

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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.