Home / 683,417.80-1,025,126.70-351,641.80

Finding the Fourth Proportional to 683,417.80, 1,025,126.70 and 351,641.80

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Solution

The fourth proportional to 683,417.80, 1,025,126.70 and 351,641.80 is: 527,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,417.80 : 1,025,126.70 = 351,641.80 : x
  2. Step 2: Convert to fraction form
    683,417.80/1,025,126.70 = 351,641.80/x
  3. Step 3: Cross multiply
    683,417.80x = 1,025,126.70 × 351,641.80
  4. Step 4: Simplify right side
    683,417.80x = 360,477,398,016.06
  5. Step 5: Solve for x
    x = 360,477,398,016.06/683,417.80
  6. Step 6: Final answer
    x = 527,462.70

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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.