Home / 939,775.58-1,296,891.58-510,055.74

Finding the Fourth Proportional to 939,775.58, 1,296,891.58 and 510,055.74

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Solution

The fourth proportional to 939,775.58, 1,296,891.58 and 510,055.74 is: 703,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,775.58 : 1,296,891.58 = 510,055.74 : x
  2. Step 2: Convert to fraction form
    939,775.58/1,296,891.58 = 510,055.74/x
  3. Step 3: Cross multiply
    939,775.58x = 1,296,891.58 × 510,055.74
  4. Step 4: Simplify right side
    939,775.58x = 661,486,994,536.67
  5. Step 5: Solve for x
    x = 661,486,994,536.67/939,775.58
  6. Step 6: Final answer
    x = 703,877.62

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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.