Home / 539,618.28-744,723.90-403,416.36

Finding the Fourth Proportional to 539,618.28, 744,723.90 and 403,416.36

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Solution

The fourth proportional to 539,618.28, 744,723.90 and 403,416.36 is: 556,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,618.28 : 744,723.90 = 403,416.36 : x
  2. Step 2: Convert to fraction form
    539,618.28/744,723.90 = 403,416.36/x
  3. Step 3: Cross multiply
    539,618.28x = 744,723.90 × 403,416.36
  4. Step 4: Simplify right side
    539,618.28x = 300,433,804,943.00
  5. Step 5: Solve for x
    x = 300,433,804,943.00/539,618.28
  6. Step 6: Final answer
    x = 556,752.46

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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.