Home / 578,938.92-797,938.23-384,999.96

Finding the Fourth Proportional to 578,938.92, 797,938.23 and 384,999.96

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Solution

The fourth proportional to 578,938.92, 797,938.23 and 384,999.96 is: 530,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,938.92 : 797,938.23 = 384,999.96 : x
  2. Step 2: Convert to fraction form
    578,938.92/797,938.23 = 384,999.96/x
  3. Step 3: Cross multiply
    578,938.92x = 797,938.23 × 384,999.96
  4. Step 4: Simplify right side
    578,938.92x = 307,206,186,632.47
  5. Step 5: Solve for x
    x = 307,206,186,632.47/578,938.92
  6. Step 6: Final answer
    x = 530,636.61

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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.