Home / 929,931.40-1,394,897.10-256,116.70

Finding the Fourth Proportional to 929,931.40, 1,394,897.10 and 256,116.70

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Solution

The fourth proportional to 929,931.40, 1,394,897.10 and 256,116.70 is: 384,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,931.40 : 1,394,897.10 = 256,116.70 : x
  2. Step 2: Convert to fraction form
    929,931.40/1,394,897.10 = 256,116.70/x
  3. Step 3: Cross multiply
    929,931.40x = 1,394,897.10 × 256,116.70
  4. Step 4: Simplify right side
    929,931.40x = 357,256,442,091.57
  5. Step 5: Solve for x
    x = 357,256,442,091.57/929,931.40
  6. Step 6: Final answer
    x = 384,175.05

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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.