Home / 863,267.76-1,191,396.60-500,802.48

Finding the Fourth Proportional to 863,267.76, 1,191,396.60 and 500,802.48

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Solution

The fourth proportional to 863,267.76, 1,191,396.60 and 500,802.48 is: 691,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,267.76 : 1,191,396.60 = 500,802.48 : x
  2. Step 2: Convert to fraction form
    863,267.76/1,191,396.60 = 500,802.48/x
  3. Step 3: Cross multiply
    863,267.76x = 1,191,396.60 × 500,802.48
  4. Step 4: Simplify right side
    863,267.76x = 596,654,371,943.57
  5. Step 5: Solve for x
    x = 596,654,371,943.57/863,267.76
  6. Step 6: Final answer
    x = 691,157.95

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1.5x scale

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.