Home / 742,561.08-1,024,706.88-403,022.04

Finding the Fourth Proportional to 742,561.08, 1,024,706.88 and 403,022.04

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Solution

The fourth proportional to 742,561.08, 1,024,706.88 and 403,022.04 is: 556,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,561.08 : 1,024,706.88 = 403,022.04 : x
  2. Step 2: Convert to fraction form
    742,561.08/1,024,706.88 = 403,022.04/x
  3. Step 3: Cross multiply
    742,561.08x = 1,024,706.88 × 403,022.04
  4. Step 4: Simplify right side
    742,561.08x = 412,979,457,179.64
  5. Step 5: Solve for x
    x = 412,979,457,179.64/742,561.08
  6. Step 6: Final answer
    x = 556,155.54

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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.