Home / 723,944.50-999,070.12-437,409.22

Finding the Fourth Proportional to 723,944.50, 999,070.12 and 437,409.22

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Solution

The fourth proportional to 723,944.50, 999,070.12 and 437,409.22 is: 603,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,944.50 : 999,070.12 = 437,409.22 : x
  2. Step 2: Convert to fraction form
    723,944.50/999,070.12 = 437,409.22/x
  3. Step 3: Cross multiply
    723,944.50x = 999,070.12 × 437,409.22
  4. Step 4: Simplify right side
    723,944.50x = 437,002,481,914.51
  5. Step 5: Solve for x
    x = 437,002,481,914.51/723,944.50
  6. Step 6: Final answer
    x = 603,640.86

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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.