Home / 840,715.53-1,160,215.43-458,763.27

Finding the Fourth Proportional to 840,715.53, 1,160,215.43 and 458,763.27

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Solution

The fourth proportional to 840,715.53, 1,160,215.43 and 458,763.27 is: 633,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,715.53 : 1,160,215.43 = 458,763.27 : x
  2. Step 2: Convert to fraction form
    840,715.53/1,160,215.43 = 458,763.27/x
  3. Step 3: Cross multiply
    840,715.53x = 1,160,215.43 × 458,763.27
  4. Step 4: Simplify right side
    840,715.53x = 532,264,224,571.26
  5. Step 5: Solve for x
    x = 532,264,224,571.26/840,715.53
  6. Step 6: Final answer
    x = 633,108.59

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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.