Home / 637,742.82-956,555.90-194,510.82

Finding the Fourth Proportional to 637,742.82, 956,555.90 and 194,510.82

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Solution

The fourth proportional to 637,742.82, 956,555.90 and 194,510.82 is: 291,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,742.82 : 956,555.90 = 194,510.82 : x
  2. Step 2: Convert to fraction form
    637,742.82/956,555.90 = 194,510.82/x
  3. Step 3: Cross multiply
    637,742.82x = 956,555.90 × 194,510.82
  4. Step 4: Simplify right side
    637,742.82x = 186,060,472,484.84
  5. Step 5: Solve for x
    x = 186,060,472,484.84/637,742.82
  6. Step 6: Final answer
    x = 291,748.44

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