Home / 637,905.90-956,858.85-536,429.10

Finding the Fourth Proportional to 637,905.90, 956,858.85 and 536,429.10

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Solution

The fourth proportional to 637,905.90, 956,858.85 and 536,429.10 is: 804,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,905.90 : 956,858.85 = 536,429.10 : x
  2. Step 2: Convert to fraction form
    637,905.90/956,858.85 = 536,429.10/x
  3. Step 3: Cross multiply
    637,905.90x = 956,858.85 × 536,429.10
  4. Step 4: Simplify right side
    637,905.90x = 513,286,931,732.54
  5. Step 5: Solve for x
    x = 513,286,931,732.54/637,905.90
  6. Step 6: Final answer
    x = 804,643.65

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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.