Home / 429,739.89-592,290.38-314,774.28

Finding the Fourth Proportional to 429,739.89, 592,290.38 and 314,774.28

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Solution

The fourth proportional to 429,739.89, 592,290.38 and 314,774.28 is: 433,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,739.89 : 592,290.38 = 314,774.28 : x
  2. Step 2: Convert to fraction form
    429,739.89/592,290.38 = 314,774.28/x
  3. Step 3: Cross multiply
    429,739.89x = 592,290.38 × 314,774.28
  4. Step 4: Simplify right side
    429,739.89x = 186,437,776,341.56
  5. Step 5: Solve for x
    x = 186,437,776,341.56/429,739.89
  6. Step 6: Final answer
    x = 433,838.66

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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.