Home / 742,581.24-1,024,763.28-403,049.64

Finding the Fourth Proportional to 742,581.24, 1,024,763.28 and 403,049.64

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Solution

The fourth proportional to 742,581.24, 1,024,763.28 and 403,049.64 is: 556,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,581.24 : 1,024,763.28 = 403,049.64 : x
  2. Step 2: Convert to fraction form
    742,581.24/1,024,763.28 = 403,049.64/x
  3. Step 3: Cross multiply
    742,581.24x = 1,024,763.28 × 403,049.64
  4. Step 4: Simplify right side
    742,581.24x = 413,030,471,089.22
  5. Step 5: Solve for x
    x = 413,030,471,089.22/742,581.24
  6. Step 6: Final answer
    x = 556,209.14

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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.