Home / 1,295,597.70-1,787,931-714,820.80

Finding the Fourth Proportional to 1,295,597.70, 1,787,931 and 714,820.80

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Solution

The fourth proportional to 1,295,597.70, 1,787,931 and 714,820.80 is: 986,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,597.70 : 1,787,931 = 714,820.80 : x
  2. Step 2: Convert to fraction form
    1,295,597.70/1,787,931 = 714,820.80/x
  3. Step 3: Cross multiply
    1,295,597.70x = 1,787,931 × 714,820.80
  4. Step 4: Simplify right side
    1,295,597.70x = 1,278,050,267,764.80
  5. Step 5: Solve for x
    x = 1,278,050,267,764.80/1,295,597.70
  6. Step 6: Final answer
    x = 986,456.11

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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.