Home / 581,111.46-801,998.85-351,795.20

Finding the Fourth Proportional to 581,111.46, 801,998.85 and 351,795.20

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Solution

The fourth proportional to 581,111.46, 801,998.85 and 351,795.20 is: 485,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,111.46 : 801,998.85 = 351,795.20 : x
  2. Step 2: Convert to fraction form
    581,111.46/801,998.85 = 351,795.20/x
  3. Step 3: Cross multiply
    581,111.46x = 801,998.85 × 351,795.20
  4. Step 4: Simplify right side
    581,111.46x = 282,139,341,825.53
  5. Step 5: Solve for x
    x = 282,139,341,825.53/581,111.46
  6. Step 6: Final answer
    x = 485,516.74

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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.