Home / 901,614.94-1,244,228.63-519,666.32

Finding the Fourth Proportional to 901,614.94, 1,244,228.63 and 519,666.32

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Solution

The fourth proportional to 901,614.94, 1,244,228.63 and 519,666.32 is: 717,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,614.94 : 1,244,228.63 = 519,666.32 : x
  2. Step 2: Convert to fraction form
    901,614.94/1,244,228.63 = 519,666.32/x
  3. Step 3: Cross multiply
    901,614.94x = 1,244,228.63 × 519,666.32
  4. Step 4: Simplify right side
    901,614.94x = 646,583,713,902.98
  5. Step 5: Solve for x
    x = 646,583,713,902.98/901,614.94
  6. Step 6: Final answer
    x = 717,139.53

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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.