Home / 937,220.80-1,293,370.86-507,500.96

Finding the Fourth Proportional to 937,220.80, 1,293,370.86 and 507,500.96

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Solution

The fourth proportional to 937,220.80, 1,293,370.86 and 507,500.96 is: 700,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,220.80 : 1,293,370.86 = 507,500.96 : x
  2. Step 2: Convert to fraction form
    937,220.80/1,293,370.86 = 507,500.96/x
  3. Step 3: Cross multiply
    937,220.80x = 1,293,370.86 × 507,500.96
  4. Step 4: Simplify right side
    937,220.80x = 656,386,953,086.03
  5. Step 5: Solve for x
    x = 656,386,953,086.03/937,220.80
  6. Step 6: Final answer
    x = 700,354.66

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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.