Home / 727,925.08-1,004,533.90-405,632.16

Finding the Fourth Proportional to 727,925.08, 1,004,533.90 and 405,632.16

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Solution

The fourth proportional to 727,925.08, 1,004,533.90 and 405,632.16 is: 559,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,925.08 : 1,004,533.90 = 405,632.16 : x
  2. Step 2: Convert to fraction form
    727,925.08/1,004,533.90 = 405,632.16/x
  3. Step 3: Cross multiply
    727,925.08x = 1,004,533.90 × 405,632.16
  4. Step 4: Simplify right side
    727,925.08x = 407,471,255,650.22
  5. Step 5: Solve for x
    x = 407,471,255,650.22/727,925.08
  6. Step 6: Final answer
    x = 559,770.87

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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.