Home / 804,908.55-1,110,878.79-519,259.62

Finding the Fourth Proportional to 804,908.55, 1,110,878.79 and 519,259.62

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Solution

The fourth proportional to 804,908.55, 1,110,878.79 and 519,259.62 is: 716,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,908.55 : 1,110,878.79 = 519,259.62 : x
  2. Step 2: Convert to fraction form
    804,908.55/1,110,878.79 = 519,259.62/x
  3. Step 3: Cross multiply
    804,908.55x = 1,110,878.79 × 519,259.62
  4. Step 4: Simplify right side
    804,908.55x = 576,834,498,361.46
  5. Step 5: Solve for x
    x = 576,834,498,361.46/804,908.55
  6. Step 6: Final answer
    x = 716,646.01

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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.