Home / 634,000.62-874,921.06-347,522.66

Finding the Fourth Proportional to 634,000.62, 874,921.06 and 347,522.66

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Solution

The fourth proportional to 634,000.62, 874,921.06 and 347,522.66 is: 479,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,000.62 : 874,921.06 = 347,522.66 : x
  2. Step 2: Convert to fraction form
    634,000.62/874,921.06 = 347,522.66/x
  3. Step 3: Cross multiply
    634,000.62x = 874,921.06 × 347,522.66
  4. Step 4: Simplify right side
    634,000.62x = 304,054,894,061.22
  5. Step 5: Solve for x
    x = 304,054,894,061.22/634,000.62
  6. Step 6: Final answer
    x = 479,581.38

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Double scale
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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.