Home / 926,057.12-1,388,138.44-626,569.32

Finding the Fourth Proportional to 926,057.12, 1,388,138.44 and 626,569.32

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Solution

The fourth proportional to 926,057.12, 1,388,138.44 and 626,569.32 is: 939,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,057.12 : 1,388,138.44 = 626,569.32 : x
  2. Step 2: Convert to fraction form
    926,057.12/1,388,138.44 = 626,569.32/x
  3. Step 3: Cross multiply
    926,057.12x = 1,388,138.44 × 626,569.32
  4. Step 4: Simplify right side
    926,057.12x = 869,764,958,416.66
  5. Step 5: Solve for x
    x = 869,764,958,416.66/926,057.12
  6. Step 6: Final answer
    x = 939,213.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.