Home / 937,640.90-1,293,944.36-507,920.93

Finding the Fourth Proportional to 937,640.90, 1,293,944.36 and 507,920.93

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Solution

The fourth proportional to 937,640.90, 1,293,944.36 and 507,920.93 is: 700,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,640.90 : 1,293,944.36 = 507,920.93 : x
  2. Step 2: Convert to fraction form
    937,640.90/1,293,944.36 = 507,920.93/x
  3. Step 3: Cross multiply
    937,640.90x = 1,293,944.36 × 507,920.93
  4. Step 4: Simplify right side
    937,640.90x = 657,221,420,159.85
  5. Step 5: Solve for x
    x = 657,221,420,159.85/937,640.90
  6. Step 6: Final answer
    x = 700,930.84

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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.