Home / 742,575.89-1,024,727.32-403,036.85

Finding the Fourth Proportional to 742,575.89, 1,024,727.32 and 403,036.85

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Solution

The fourth proportional to 742,575.89, 1,024,727.32 and 403,036.85 is: 556,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,575.89 : 1,024,727.32 = 403,036.85 : x
  2. Step 2: Convert to fraction form
    742,575.89/1,024,727.32 = 403,036.85/x
  3. Step 3: Cross multiply
    742,575.89x = 1,024,727.32 × 403,036.85
  4. Step 4: Simplify right side
    742,575.89x = 413,002,874,227.36
  5. Step 5: Solve for x
    x = 413,002,874,227.36/742,575.89
  6. Step 6: Final answer
    x = 556,175.98

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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.