Home / 1,078,643.40-1,488,469.95-595,113.90

Finding the Fourth Proportional to 1,078,643.40, 1,488,469.95 and 595,113.90

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Solution

The fourth proportional to 1,078,643.40, 1,488,469.95 and 595,113.90 is: 821,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,643.40 : 1,488,469.95 = 595,113.90 : x
  2. Step 2: Convert to fraction form
    1,078,643.40/1,488,469.95 = 595,113.90/x
  3. Step 3: Cross multiply
    1,078,643.40x = 1,488,469.95 × 595,113.90
  4. Step 4: Simplify right side
    1,078,643.40x = 885,809,156,977.31
  5. Step 5: Solve for x
    x = 885,809,156,977.31/1,078,643.40
  6. Step 6: Final answer
    x = 821,225.21

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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.