Home / 755,835.40-1,043,052.78-416,303.66

Finding the Fourth Proportional to 755,835.40, 1,043,052.78 and 416,303.66

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Solution

The fourth proportional to 755,835.40, 1,043,052.78 and 416,303.66 is: 574,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,835.40 : 1,043,052.78 = 416,303.66 : x
  2. Step 2: Convert to fraction form
    755,835.40/1,043,052.78 = 416,303.66/x
  3. Step 3: Cross multiply
    755,835.40x = 1,043,052.78 × 416,303.66
  4. Step 4: Simplify right side
    755,835.40x = 434,226,689,887.18
  5. Step 5: Solve for x
    x = 434,226,689,887.18/755,835.40
  6. Step 6: Final answer
    x = 574,499.01

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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.