Home / 742,579.97-1,024,762.32-403,048.22

Finding the Fourth Proportional to 742,579.97, 1,024,762.32 and 403,048.22

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Solution

The fourth proportional to 742,579.97, 1,024,762.32 and 403,048.22 is: 556,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,579.97 : 1,024,762.32 = 403,048.22 : x
  2. Step 2: Convert to fraction form
    742,579.97/1,024,762.32 = 403,048.22/x
  3. Step 3: Cross multiply
    742,579.97x = 1,024,762.32 × 403,048.22
  4. Step 4: Simplify right side
    742,579.97x = 413,028,623,875.26
  5. Step 5: Solve for x
    x = 413,028,623,875.26/742,579.97
  6. Step 6: Final answer
    x = 556,207.61

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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.