Home / 1,120,727.43-1,681,085.37-437,683.59

Finding the Fourth Proportional to 1,120,727.43, 1,681,085.37 and 437,683.59

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Solution

The fourth proportional to 1,120,727.43, 1,681,085.37 and 437,683.59 is: 656,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,727.43 : 1,681,085.37 = 437,683.59 : x
  2. Step 2: Convert to fraction form
    1,120,727.43/1,681,085.37 = 437,683.59/x
  3. Step 3: Cross multiply
    1,120,727.43x = 1,681,085.37 × 437,683.59
  4. Step 4: Simplify right side
    1,120,727.43x = 735,783,487,783.46
  5. Step 5: Solve for x
    x = 735,783,487,783.46/1,120,727.43
  6. Step 6: Final answer
    x = 656,523.13

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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.