Home / 939,771.59-1,296,886.05-510,051.72

Finding the Fourth Proportional to 939,771.59, 1,296,886.05 and 510,051.72

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Solution

The fourth proportional to 939,771.59, 1,296,886.05 and 510,051.72 is: 703,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,771.59 : 1,296,886.05 = 510,051.72 : x
  2. Step 2: Convert to fraction form
    939,771.59/1,296,886.05 = 510,051.72/x
  3. Step 3: Cross multiply
    939,771.59x = 1,296,886.05 × 510,051.72
  4. Step 4: Simplify right side
    939,771.59x = 661,478,960,446.51
  5. Step 5: Solve for x
    x = 661,478,960,446.51/939,771.59
  6. Step 6: Final answer
    x = 703,872.06

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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.