Home / 939,808.59-1,296,901.15-510,079.49

Finding the Fourth Proportional to 939,808.59, 1,296,901.15 and 510,079.49

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Solution

The fourth proportional to 939,808.59, 1,296,901.15 and 510,079.49 is: 703,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,808.59 : 1,296,901.15 = 510,079.49 : x
  2. Step 2: Convert to fraction form
    939,808.59/1,296,901.15 = 510,079.49/x
  3. Step 3: Cross multiply
    939,808.59x = 1,296,901.15 × 510,079.49
  4. Step 4: Simplify right side
    939,808.59x = 661,522,677,172.41
  5. Step 5: Solve for x
    x = 661,522,677,172.41/939,808.59
  6. Step 6: Final answer
    x = 703,890.86

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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.