Home / 939,852.87-1,296,998.28-510,133.10

Finding the Fourth Proportional to 939,852.87, 1,296,998.28 and 510,133.10

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Solution

The fourth proportional to 939,852.87, 1,296,998.28 and 510,133.10 is: 703,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,852.87 : 1,296,998.28 = 510,133.10 : x
  2. Step 2: Convert to fraction form
    939,852.87/1,296,998.28 = 510,133.10/x
  3. Step 3: Cross multiply
    939,852.87x = 1,296,998.28 × 510,133.10
  4. Step 4: Simplify right side
    939,852.87x = 661,641,746,786.08
  5. Step 5: Solve for x
    x = 661,641,746,786.08/939,852.87
  6. Step 6: Final answer
    x = 703,984.39

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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.