Home / 829,609.70-1,144,779.53-462,074.51

Finding the Fourth Proportional to 829,609.70, 1,144,779.53 and 462,074.51

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Solution

The fourth proportional to 829,609.70, 1,144,779.53 and 462,074.51 is: 637,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,609.70 : 1,144,779.53 = 462,074.51 : x
  2. Step 2: Convert to fraction form
    829,609.70/1,144,779.53 = 462,074.51/x
  3. Step 3: Cross multiply
    829,609.70x = 1,144,779.53 × 462,074.51
  4. Step 4: Simplify right side
    829,609.70x = 528,973,444,399.92
  5. Step 5: Solve for x
    x = 528,973,444,399.92/829,609.70
  6. Step 6: Final answer
    x = 637,617.24

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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.