Home / 827,478.18-1,142,035.00-464,930.08

Finding the Fourth Proportional to 827,478.18, 1,142,035.00 and 464,930.08

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Solution

The fourth proportional to 827,478.18, 1,142,035.00 and 464,930.08 is: 641,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,478.18 : 1,142,035.00 = 464,930.08 : x
  2. Step 2: Convert to fraction form
    827,478.18/1,142,035.00 = 464,930.08/x
  3. Step 3: Cross multiply
    827,478.18x = 1,142,035.00 × 464,930.08
  4. Step 4: Simplify right side
    827,478.18x = 530,966,419,895.39
  5. Step 5: Solve for x
    x = 530,966,419,895.39/827,478.18
  6. Step 6: Final answer
    x = 641,668.18

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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.