Home / 817,777.96-1,128,525.21-450,243.50

Finding the Fourth Proportional to 817,777.96, 1,128,525.21 and 450,243.50

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Solution

The fourth proportional to 817,777.96, 1,128,525.21 and 450,243.50 is: 621,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,777.96 : 1,128,525.21 = 450,243.50 : x
  2. Step 2: Convert to fraction form
    817,777.96/1,128,525.21 = 450,243.50/x
  3. Step 3: Cross multiply
    817,777.96x = 1,128,525.21 × 450,243.50
  4. Step 4: Simplify right side
    817,777.96x = 508,111,134,746.01
  5. Step 5: Solve for x
    x = 508,111,134,746.01/817,777.96
  6. Step 6: Final answer
    x = 621,331.41

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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.