Home / 749,785.50-1,035,177.84-463,468.32

Finding the Fourth Proportional to 749,785.50, 1,035,177.84 and 463,468.32

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Solution

The fourth proportional to 749,785.50, 1,035,177.84 and 463,468.32 is: 639,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,785.50 : 1,035,177.84 = 463,468.32 : x
  2. Step 2: Convert to fraction form
    749,785.50/1,035,177.84 = 463,468.32/x
  3. Step 3: Cross multiply
    749,785.50x = 1,035,177.84 × 463,468.32
  4. Step 4: Simplify right side
    749,785.50x = 479,772,134,406.03
  5. Step 5: Solve for x
    x = 479,772,134,406.03/749,785.50
  6. Step 6: Final answer
    x = 639,879.18

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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.