Home / 554,237-764,847.08-403,460.36

Finding the Fourth Proportional to 554,237, 764,847.08 and 403,460.36

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Solution

The fourth proportional to 554,237, 764,847.08 and 403,460.36 is: 556,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,237 : 764,847.08 = 403,460.36 : x
  2. Step 2: Convert to fraction form
    554,237/764,847.08 = 403,460.36/x
  3. Step 3: Cross multiply
    554,237x = 764,847.08 × 403,460.36
  4. Step 4: Simplify right side
    554,237x = 308,585,478,241.75
  5. Step 5: Solve for x
    x = 308,585,478,241.75/554,237
  6. Step 6: Final answer
    x = 556,775.31

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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.