Home / 849,688.20-1,172,473.52-500,805.81

Finding the Fourth Proportional to 849,688.20, 1,172,473.52 and 500,805.81

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Solution

The fourth proportional to 849,688.20, 1,172,473.52 and 500,805.81 is: 691,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,688.20 : 1,172,473.52 = 500,805.81 : x
  2. Step 2: Convert to fraction form
    849,688.20/1,172,473.52 = 500,805.81/x
  3. Step 3: Cross multiply
    849,688.20x = 1,172,473.52 × 500,805.81
  4. Step 4: Simplify right side
    849,688.20x = 587,181,548,383.12
  5. Step 5: Solve for x
    x = 587,181,548,383.12/849,688.20
  6. Step 6: Final answer
    x = 691,055.32

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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.