Home / 441,111.10-661,666.65-402,403.90

Finding the Fourth Proportional to 441,111.10, 661,666.65 and 402,403.90

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Solution

The fourth proportional to 441,111.10, 661,666.65 and 402,403.90 is: 603,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,111.10 : 661,666.65 = 402,403.90 : x
  2. Step 2: Convert to fraction form
    441,111.10/661,666.65 = 402,403.90/x
  3. Step 3: Cross multiply
    441,111.10x = 661,666.65 × 402,403.90
  4. Step 4: Simplify right side
    441,111.10x = 266,257,240,459.94
  5. Step 5: Solve for x
    x = 266,257,240,459.94/441,111.10
  6. Step 6: Final answer
    x = 603,605.85

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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.