Home / 939,810.66-1,296,904.02-510,081.57

Finding the Fourth Proportional to 939,810.66, 1,296,904.02 and 510,081.57

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Solution

The fourth proportional to 939,810.66, 1,296,904.02 and 510,081.57 is: 703,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,810.66 : 1,296,904.02 = 510,081.57 : x
  2. Step 2: Convert to fraction form
    939,810.66/1,296,904.02 = 510,081.57/x
  3. Step 3: Cross multiply
    939,810.66x = 1,296,904.02 × 510,081.57
  4. Step 4: Simplify right side
    939,810.66x = 661,526,838,660.91
  5. Step 5: Solve for x
    x = 661,526,838,660.91/939,810.66
  6. Step 6: Final answer
    x = 703,893.74

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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.