Home / 1,135,332.20-1,566,761.70-626,023.40

Finding the Fourth Proportional to 1,135,332.20, 1,566,761.70 and 626,023.40

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Solution

The fourth proportional to 1,135,332.20, 1,566,761.70 and 626,023.40 is: 863,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,332.20 : 1,566,761.70 = 626,023.40 : x
  2. Step 2: Convert to fraction form
    1,135,332.20/1,566,761.70 = 626,023.40/x
  3. Step 3: Cross multiply
    1,135,332.20x = 1,566,761.70 × 626,023.40
  4. Step 4: Simplify right side
    1,135,332.20x = 980,829,486,423.78
  5. Step 5: Solve for x
    x = 980,829,486,423.78/1,135,332.20
  6. Step 6: Final answer
    x = 863,914.09

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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.