Home / 739,154.10-1,108,731.15-340,573.35

Finding the Fourth Proportional to 739,154.10, 1,108,731.15 and 340,573.35

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Solution

The fourth proportional to 739,154.10, 1,108,731.15 and 340,573.35 is: 510,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,154.10 : 1,108,731.15 = 340,573.35 : x
  2. Step 2: Convert to fraction form
    739,154.10/1,108,731.15 = 340,573.35/x
  3. Step 3: Cross multiply
    739,154.10x = 1,108,731.15 × 340,573.35
  4. Step 4: Simplify right side
    739,154.10x = 377,604,282,004.85
  5. Step 5: Solve for x
    x = 377,604,282,004.85/739,154.10
  6. Step 6: Final answer
    x = 510,860.03

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.