Home / 829,612.70-1,144,783.67-462,077.51

Finding the Fourth Proportional to 829,612.70, 1,144,783.67 and 462,077.51

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Solution

The fourth proportional to 829,612.70, 1,144,783.67 and 462,077.51 is: 637,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,612.70 : 1,144,783.67 = 462,077.51 : x
  2. Step 2: Convert to fraction form
    829,612.70/1,144,783.67 = 462,077.51/x
  3. Step 3: Cross multiply
    829,612.70x = 1,144,783.67 × 462,077.51
  4. Step 4: Simplify right side
    829,612.70x = 528,978,787,722.26
  5. Step 5: Solve for x
    x = 528,978,787,722.26/829,612.70
  6. Step 6: Final answer
    x = 637,621.37

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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.