Home / 439,890.04-663,131.43-410,595.04

Finding the Fourth Proportional to 439,890.04, 663,131.43 and 410,595.04

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Solution

The fourth proportional to 439,890.04, 663,131.43 and 410,595.04 is: 618,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,890.04 : 663,131.43 = 410,595.04 : x
  2. Step 2: Convert to fraction form
    439,890.04/663,131.43 = 410,595.04/x
  3. Step 3: Cross multiply
    439,890.04x = 663,131.43 × 410,595.04
  4. Step 4: Simplify right side
    439,890.04x = 272,278,476,026.11
  5. Step 5: Solve for x
    x = 272,278,476,026.11/439,890.04
  6. Step 6: Final answer
    x = 618,969.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.