Home / 739,587.60-1,108,506.60-384,418.80

Finding the Fourth Proportional to 739,587.60, 1,108,506.60 and 384,418.80

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Solution

The fourth proportional to 739,587.60, 1,108,506.60 and 384,418.80 is: 576,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,587.60 : 1,108,506.60 = 384,418.80 : x
  2. Step 2: Convert to fraction form
    739,587.60/1,108,506.60 = 384,418.80/x
  3. Step 3: Cross multiply
    739,587.60x = 1,108,506.60 × 384,418.80
  4. Step 4: Simplify right side
    739,587.60x = 426,130,776,964.08
  5. Step 5: Solve for x
    x = 426,130,776,964.08/739,587.60
  6. Step 6: Final answer
    x = 576,173.50

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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.