Home / 1,296,750.12-1,787,373.06-866,873.40

Finding the Fourth Proportional to 1,296,750.12, 1,787,373.06 and 866,873.40

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Solution

The fourth proportional to 1,296,750.12, 1,787,373.06 and 866,873.40 is: 1,194,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,750.12 : 1,787,373.06 = 866,873.40 : x
  2. Step 2: Convert to fraction form
    1,296,750.12/1,787,373.06 = 866,873.40/x
  3. Step 3: Cross multiply
    1,296,750.12x = 1,787,373.06 × 866,873.40
  4. Step 4: Simplify right side
    1,296,750.12x = 1,549,426,161,590.60
  5. Step 5: Solve for x
    x = 1,549,426,161,590.60/1,296,750.12
  6. Step 6: Final answer
    x = 1,194,853.30

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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.