Home / 718,254.14-1,074,204.59-638,849.63

Finding the Fourth Proportional to 718,254.14, 1,074,204.59 and 638,849.63

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Solution

The fourth proportional to 718,254.14, 1,074,204.59 and 638,849.63 is: 955,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,254.14 : 1,074,204.59 = 638,849.63 : x
  2. Step 2: Convert to fraction form
    718,254.14/1,074,204.59 = 638,849.63/x
  3. Step 3: Cross multiply
    718,254.14x = 1,074,204.59 × 638,849.63
  4. Step 4: Simplify right side
    718,254.14x = 686,255,204,357.07
  5. Step 5: Solve for x
    x = 686,255,204,357.07/718,254.14
  6. Step 6: Final answer
    x = 955,449.01

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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.