Home / 749,032.35-1,123,831.35-449,721.59

Finding the Fourth Proportional to 749,032.35, 1,123,831.35 and 449,721.59

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Solution

The fourth proportional to 749,032.35, 1,123,831.35 and 449,721.59 is: 674,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,032.35 : 1,123,831.35 = 449,721.59 : x
  2. Step 2: Convert to fraction form
    749,032.35/1,123,831.35 = 449,721.59/x
  3. Step 3: Cross multiply
    749,032.35x = 1,123,831.35 × 449,721.59
  4. Step 4: Simplify right side
    749,032.35x = 505,411,215,994.69
  5. Step 5: Solve for x
    x = 505,411,215,994.69/749,032.35
  6. Step 6: Final answer
    x = 674,752.19

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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.