Home / 1,295,126.85-1,787,230.80-714,373.05

Finding the Fourth Proportional to 1,295,126.85, 1,787,230.80 and 714,373.05

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Solution

The fourth proportional to 1,295,126.85, 1,787,230.80 and 714,373.05 is: 985,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,126.85 : 1,787,230.80 = 714,373.05 : x
  2. Step 2: Convert to fraction form
    1,295,126.85/1,787,230.80 = 714,373.05/x
  3. Step 3: Cross multiply
    1,295,126.85x = 1,787,230.80 × 714,373.05
  4. Step 4: Simplify right side
    1,295,126.85x = 1,276,749,517,649.94
  5. Step 5: Solve for x
    x = 1,276,749,517,649.94/1,295,126.85
  6. Step 6: Final answer
    x = 985,810.40

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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.