Home / 774,784.22-1,069,003.65-452,309.01

Finding the Fourth Proportional to 774,784.22, 1,069,003.65 and 452,309.01

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Solution

The fourth proportional to 774,784.22, 1,069,003.65 and 452,309.01 is: 624,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,784.22 : 1,069,003.65 = 452,309.01 : x
  2. Step 2: Convert to fraction form
    774,784.22/1,069,003.65 = 452,309.01/x
  3. Step 3: Cross multiply
    774,784.22x = 1,069,003.65 × 452,309.01
  4. Step 4: Simplify right side
    774,784.22x = 483,519,982,617.89
  5. Step 5: Solve for x
    x = 483,519,982,617.89/774,784.22
  6. Step 6: Final answer
    x = 624,070.51

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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.