Home / 1,676,838.60-2,515,031.10-666,703.80

Finding the Fourth Proportional to 1,676,838.60, 2,515,031.10 and 666,703.80

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Solution

The fourth proportional to 1,676,838.60, 2,515,031.10 and 666,703.80 is: 999,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,838.60 : 2,515,031.10 = 666,703.80 : x
  2. Step 2: Convert to fraction form
    1,676,838.60/2,515,031.10 = 666,703.80/x
  3. Step 3: Cross multiply
    1,676,838.60x = 2,515,031.10 × 666,703.80
  4. Step 4: Simplify right side
    1,676,838.60x = 1,676,780,791,488.18
  5. Step 5: Solve for x
    x = 1,676,780,791,488.18/1,676,838.60
  6. Step 6: Final answer
    x = 999,965.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.