Home / 1,038,206.45-1,557,309.68-477,240.95

Finding the Fourth Proportional to 1,038,206.45, 1,557,309.68 and 477,240.95

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Solution

The fourth proportional to 1,038,206.45, 1,557,309.68 and 477,240.95 is: 715,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,206.45 : 1,557,309.68 = 477,240.95 : x
  2. Step 2: Convert to fraction form
    1,038,206.45/1,557,309.68 = 477,240.95/x
  3. Step 3: Cross multiply
    1,038,206.45x = 1,557,309.68 × 477,240.95
  4. Step 4: Simplify right side
    1,038,206.45x = 743,211,948,741.19
  5. Step 5: Solve for x
    x = 743,211,948,741.19/1,038,206.45
  6. Step 6: Final answer
    x = 715,861.43

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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.