Home / 746,330.76-1,029,931.20-406,801.44

Finding the Fourth Proportional to 746,330.76, 1,029,931.20 and 406,801.44

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Solution

The fourth proportional to 746,330.76, 1,029,931.20 and 406,801.44 is: 561,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,330.76 : 1,029,931.20 = 406,801.44 : x
  2. Step 2: Convert to fraction form
    746,330.76/1,029,931.20 = 406,801.44/x
  3. Step 3: Cross multiply
    746,330.76x = 1,029,931.20 × 406,801.44
  4. Step 4: Simplify right side
    746,330.76x = 418,977,495,260.93
  5. Step 5: Solve for x
    x = 418,977,495,260.93/746,330.76
  6. Step 6: Final answer
    x = 561,383.13

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.