Home / 815,050.96-1,220,986-533,715.28

Finding the Fourth Proportional to 815,050.96, 1,220,986 and 533,715.28

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Solution

The fourth proportional to 815,050.96, 1,220,986 and 533,715.28 is: 799,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,050.96 : 1,220,986 = 533,715.28 : x
  2. Step 2: Convert to fraction form
    815,050.96/1,220,986 = 533,715.28/x
  3. Step 3: Cross multiply
    815,050.96x = 1,220,986 × 533,715.28
  4. Step 4: Simplify right side
    815,050.96x = 651,658,884,866.08
  5. Step 5: Solve for x
    x = 651,658,884,866.08/815,050.96
  6. Step 6: Final answer
    x = 799,531.46

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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.