Home / 840,166.80-1,159,384.10-477,540.34

Finding the Fourth Proportional to 840,166.80, 1,159,384.10 and 477,540.34

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Solution

The fourth proportional to 840,166.80, 1,159,384.10 and 477,540.34 is: 658,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,166.80 : 1,159,384.10 = 477,540.34 : x
  2. Step 2: Convert to fraction form
    840,166.80/1,159,384.10 = 477,540.34/x
  3. Step 3: Cross multiply
    840,166.80x = 1,159,384.10 × 477,540.34
  4. Step 4: Simplify right side
    840,166.80x = 553,652,677,304.59
  5. Step 5: Solve for x
    x = 553,652,677,304.59/840,166.80
  6. Step 6: Final answer
    x = 658,979.48

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Double scale
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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.