Home / 742,568.49-1,024,745.45-403,036.83

Finding the Fourth Proportional to 742,568.49, 1,024,745.45 and 403,036.83

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Solution

The fourth proportional to 742,568.49, 1,024,745.45 and 403,036.83 is: 556,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,568.49 : 1,024,745.45 = 403,036.83 : x
  2. Step 2: Convert to fraction form
    742,568.49/1,024,745.45 = 403,036.83/x
  3. Step 3: Cross multiply
    742,568.49x = 1,024,745.45 × 403,036.83
  4. Step 4: Simplify right side
    742,568.49x = 413,010,155,709.74
  5. Step 5: Solve for x
    x = 413,010,155,709.74/742,568.49
  6. Step 6: Final answer
    x = 556,191.33

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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.