Home / 1,087,217.45-1,500,319.01-603,813.73

Finding the Fourth Proportional to 1,087,217.45, 1,500,319.01 and 603,813.73

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Solution

The fourth proportional to 1,087,217.45, 1,500,319.01 and 603,813.73 is: 833,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,217.45 : 1,500,319.01 = 603,813.73 : x
  2. Step 2: Convert to fraction form
    1,087,217.45/1,500,319.01 = 603,813.73/x
  3. Step 3: Cross multiply
    1,087,217.45x = 1,500,319.01 × 603,813.73
  4. Step 4: Simplify right side
    1,087,217.45x = 905,913,217,618.01
  5. Step 5: Solve for x
    x = 905,913,217,618.01/1,087,217.45
  6. Step 6: Final answer
    x = 833,240.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.