Home / 592,013.44-816,433.26-387,990.04

Finding the Fourth Proportional to 592,013.44, 816,433.26 and 387,990.04

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Solution

The fourth proportional to 592,013.44, 816,433.26 and 387,990.04 is: 535,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,013.44 : 816,433.26 = 387,990.04 : x
  2. Step 2: Convert to fraction form
    592,013.44/816,433.26 = 387,990.04/x
  3. Step 3: Cross multiply
    592,013.44x = 816,433.26 × 387,990.04
  4. Step 4: Simplify right side
    592,013.44x = 316,767,973,204.73
  5. Step 5: Solve for x
    x = 316,767,973,204.73/592,013.44
  6. Step 6: Final answer
    x = 535,068.89

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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.