Home / 763,529.63-1,053,683.55-419,397.37

Finding the Fourth Proportional to 763,529.63, 1,053,683.55 and 419,397.37

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Solution

The fourth proportional to 763,529.63, 1,053,683.55 and 419,397.37 is: 578,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,529.63 : 1,053,683.55 = 419,397.37 : x
  2. Step 2: Convert to fraction form
    763,529.63/1,053,683.55 = 419,397.37/x
  3. Step 3: Cross multiply
    763,529.63x = 1,053,683.55 × 419,397.37
  4. Step 4: Simplify right side
    763,529.63x = 441,912,109,426.63
  5. Step 5: Solve for x
    x = 441,912,109,426.63/763,529.63
  6. Step 6: Final answer
    x = 578,775.33

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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.