Home / 741,401.90-1,023,133.65-401,870.06

Finding the Fourth Proportional to 741,401.90, 1,023,133.65 and 401,870.06

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Solution

The fourth proportional to 741,401.90, 1,023,133.65 and 401,870.06 is: 554,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,401.90 : 1,023,133.65 = 401,870.06 : x
  2. Step 2: Convert to fraction form
    741,401.90/1,023,133.65 = 401,870.06/x
  3. Step 3: Cross multiply
    741,401.90x = 1,023,133.65 × 401,870.06
  4. Step 4: Simplify right side
    741,401.90x = 411,166,782,364.34
  5. Step 5: Solve for x
    x = 411,166,782,364.34/741,401.90
  6. Step 6: Final answer
    x = 554,580.16

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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.