Home / 838,406.04-1,156,964.04-456,434.16

Finding the Fourth Proportional to 838,406.04, 1,156,964.04 and 456,434.16

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Solution

The fourth proportional to 838,406.04, 1,156,964.04 and 456,434.16 is: 629,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,406.04 : 1,156,964.04 = 456,434.16 : x
  2. Step 2: Convert to fraction form
    838,406.04/1,156,964.04 = 456,434.16/x
  3. Step 3: Cross multiply
    838,406.04x = 1,156,964.04 × 456,434.16
  4. Step 4: Simplify right side
    838,406.04x = 528,077,909,747.61
  5. Step 5: Solve for x
    x = 528,077,909,747.61/838,406.04
  6. Step 6: Final answer
    x = 629,859.38

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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.