Home / 912,243.60-1,366,291.80-576,320.40

Finding the Fourth Proportional to 912,243.60, 1,366,291.80 and 576,320.40

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Solution

The fourth proportional to 912,243.60, 1,366,291.80 and 576,320.40 is: 863,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,243.60 : 1,366,291.80 = 576,320.40 : x
  2. Step 2: Convert to fraction form
    912,243.60/1,366,291.80 = 576,320.40/x
  3. Step 3: Cross multiply
    912,243.60x = 1,366,291.80 × 576,320.40
  4. Step 4: Simplify right side
    912,243.60x = 787,421,836,692.72
  5. Step 5: Solve for x
    x = 787,421,836,692.72/912,243.60
  6. Step 6: Final answer
    x = 863,170.58

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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.