Home / 757,048.40-1,134,041.70-471,863.60

Finding the Fourth Proportional to 757,048.40, 1,134,041.70 and 471,863.60

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Solution

The fourth proportional to 757,048.40, 1,134,041.70 and 471,863.60 is: 706,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,048.40 : 1,134,041.70 = 471,863.60 : x
  2. Step 2: Convert to fraction form
    757,048.40/1,134,041.70 = 471,863.60/x
  3. Step 3: Cross multiply
    757,048.40x = 1,134,041.70 × 471,863.60
  4. Step 4: Simplify right side
    757,048.40x = 535,112,999,112.12
  5. Step 5: Solve for x
    x = 535,112,999,112.12/757,048.40
  6. Step 6: Final answer
    x = 706,841.20

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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.