Home / 706,780.04-976,205.94-515,490.44

Finding the Fourth Proportional to 706,780.04, 976,205.94 and 515,490.44

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Solution

The fourth proportional to 706,780.04, 976,205.94 and 515,490.44 is: 711,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,780.04 : 976,205.94 = 515,490.44 : x
  2. Step 2: Convert to fraction form
    706,780.04/976,205.94 = 515,490.44/x
  3. Step 3: Cross multiply
    706,780.04x = 976,205.94 × 515,490.44
  4. Step 4: Simplify right side
    706,780.04x = 503,224,829,541.21
  5. Step 5: Solve for x
    x = 503,224,829,541.21/706,780.04
  6. Step 6: Final answer
    x = 711,996.38

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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.