Home / 473,721.15-653,736.83-258,861.21

Finding the Fourth Proportional to 473,721.15, 653,736.83 and 258,861.21

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Solution

The fourth proportional to 473,721.15, 653,736.83 and 258,861.21 is: 357,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,721.15 : 653,736.83 = 258,861.21 : x
  2. Step 2: Convert to fraction form
    473,721.15/653,736.83 = 258,861.21/x
  3. Step 3: Cross multiply
    473,721.15x = 653,736.83 × 258,861.21
  4. Step 4: Simplify right side
    473,721.15x = 169,227,105,541.06
  5. Step 5: Solve for x
    x = 169,227,105,541.06/473,721.15
  6. Step 6: Final answer
    x = 357,229.36

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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.