Home / 833,637.30-1,150,420.57-451,663.78

Finding the Fourth Proportional to 833,637.30, 1,150,420.57 and 451,663.78

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Solution

The fourth proportional to 833,637.30, 1,150,420.57 and 451,663.78 is: 623,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,637.30 : 1,150,420.57 = 451,663.78 : x
  2. Step 2: Convert to fraction form
    833,637.30/1,150,420.57 = 451,663.78/x
  3. Step 3: Cross multiply
    833,637.30x = 1,150,420.57 × 451,663.78
  4. Step 4: Simplify right side
    833,637.30x = 519,603,303,235.96
  5. Step 5: Solve for x
    x = 519,603,303,235.96/833,637.30
  6. Step 6: Final answer
    x = 623,296.61

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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.