Home / 939,842.51-1,296,985.11-510,122.66

Finding the Fourth Proportional to 939,842.51, 1,296,985.11 and 510,122.66

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Solution

The fourth proportional to 939,842.51, 1,296,985.11 and 510,122.66 is: 703,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,842.51 : 1,296,985.11 = 510,122.66 : x
  2. Step 2: Convert to fraction form
    939,842.51/1,296,985.11 = 510,122.66/x
  3. Step 3: Cross multiply
    939,842.51x = 1,296,985.11 × 510,122.66
  4. Step 4: Simplify right side
    939,842.51x = 661,621,494,293.59
  5. Step 5: Solve for x
    x = 661,621,494,293.59/939,842.51
  6. Step 6: Final answer
    x = 703,970.60

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Double scale
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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.