Home / 850,828.50-1,174,147.20-468,847.08

Finding the Fourth Proportional to 850,828.50, 1,174,147.20 and 468,847.08

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Solution

The fourth proportional to 850,828.50, 1,174,147.20 and 468,847.08 is: 647,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,828.50 : 1,174,147.20 = 468,847.08 : x
  2. Step 2: Convert to fraction form
    850,828.50/1,174,147.20 = 468,847.08/x
  3. Step 3: Cross multiply
    850,828.50x = 1,174,147.20 × 468,847.08
  4. Step 4: Simplify right side
    850,828.50x = 550,495,486,210.18
  5. Step 5: Solve for x
    x = 550,495,486,210.18/850,828.50
  6. Step 6: Final answer
    x = 647,011.10

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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.