Home / 840,167.82-1,159,385.49-477,541.35

Finding the Fourth Proportional to 840,167.82, 1,159,385.49 and 477,541.35

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Solution

The fourth proportional to 840,167.82, 1,159,385.49 and 477,541.35 is: 658,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,167.82 : 1,159,385.49 = 477,541.35 : x
  2. Step 2: Convert to fraction form
    840,167.82/1,159,385.49 = 477,541.35/x
  3. Step 3: Cross multiply
    840,167.82x = 1,159,385.49 × 477,541.35
  4. Step 4: Simplify right side
    840,167.82x = 553,654,512,065.01
  5. Step 5: Solve for x
    x = 553,654,512,065.01/840,167.82
  6. Step 6: Final answer
    x = 658,980.86

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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.