Home / 1,152,708.10-1,729,364.55-442,759.30

Finding the Fourth Proportional to 1,152,708.10, 1,729,364.55 and 442,759.30

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Solution

The fourth proportional to 1,152,708.10, 1,729,364.55 and 442,759.30 is: 664,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,708.10 : 1,729,364.55 = 442,759.30 : x
  2. Step 2: Convert to fraction form
    1,152,708.10/1,729,364.55 = 442,759.30/x
  3. Step 3: Cross multiply
    1,152,708.10x = 1,729,364.55 × 442,759.30
  4. Step 4: Simplify right side
    1,152,708.10x = 765,692,237,602.82
  5. Step 5: Solve for x
    x = 765,692,237,602.82/1,152,708.10
  6. Step 6: Final answer
    x = 664,255.10

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1.5x scale

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.