Home / 822,551.82-1,233,929.28-401,509.50

Finding the Fourth Proportional to 822,551.82, 1,233,929.28 and 401,509.50

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Solution

The fourth proportional to 822,551.82, 1,233,929.28 and 401,509.50 is: 602,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,551.82 : 1,233,929.28 = 401,509.50 : x
  2. Step 2: Convert to fraction form
    822,551.82/1,233,929.28 = 401,509.50/x
  3. Step 3: Cross multiply
    822,551.82x = 1,233,929.28 × 401,509.50
  4. Step 4: Simplify right side
    822,551.82x = 495,434,328,248.16
  5. Step 5: Solve for x
    x = 495,434,328,248.16/822,551.82
  6. Step 6: Final answer
    x = 602,313.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.