Home / 1,131,362.88-1,696,636.08-332,430.72

Finding the Fourth Proportional to 1,131,362.88, 1,696,636.08 and 332,430.72

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Solution

The fourth proportional to 1,131,362.88, 1,696,636.08 and 332,430.72 is: 498,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,362.88 : 1,696,636.08 = 332,430.72 : x
  2. Step 2: Convert to fraction form
    1,131,362.88/1,696,636.08 = 332,430.72/x
  3. Step 3: Cross multiply
    1,131,362.88x = 1,696,636.08 × 332,430.72
  4. Step 4: Simplify right side
    1,131,362.88x = 564,013,953,652.38
  5. Step 5: Solve for x
    x = 564,013,953,652.38/1,131,362.88
  6. Step 6: Final answer
    x = 498,526.13

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Double scale
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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.