Home / 429,343.15-592,085.53-312,950.83

Finding the Fourth Proportional to 429,343.15, 592,085.53 and 312,950.83

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Solution

The fourth proportional to 429,343.15, 592,085.53 and 312,950.83 is: 431,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,343.15 : 592,085.53 = 312,950.83 : x
  2. Step 2: Convert to fraction form
    429,343.15/592,085.53 = 312,950.83/x
  3. Step 3: Cross multiply
    429,343.15x = 592,085.53 × 312,950.83
  4. Step 4: Simplify right side
    429,343.15x = 185,293,658,044.49
  5. Step 5: Solve for x
    x = 185,293,658,044.49/429,343.15
  6. Step 6: Final answer
    x = 431,574.74

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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.