Home / 1,509,089.19-2,082,838.95-864,941.10

Finding the Fourth Proportional to 1,509,089.19, 2,082,838.95 and 864,941.10

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Solution

The fourth proportional to 1,509,089.19, 2,082,838.95 and 864,941.10 is: 1,193,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,089.19 : 2,082,838.95 = 864,941.10 : x
  2. Step 2: Convert to fraction form
    1,509,089.19/2,082,838.95 = 864,941.10/x
  3. Step 3: Cross multiply
    1,509,089.19x = 2,082,838.95 × 864,941.10
  4. Step 4: Simplify right side
    1,509,089.19x = 1,801,533,012,535.85
  5. Step 5: Solve for x
    x = 1,801,533,012,535.85/1,509,089.19
  6. Step 6: Final answer
    x = 1,193,788.30

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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.