Home / 912,379.68-1,258,490.76-585,174.40

Finding the Fourth Proportional to 912,379.68, 1,258,490.76 and 585,174.40

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Solution

The fourth proportional to 912,379.68, 1,258,490.76 and 585,174.40 is: 807,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,379.68 : 1,258,490.76 = 585,174.40 : x
  2. Step 2: Convert to fraction form
    912,379.68/1,258,490.76 = 585,174.40/x
  3. Step 3: Cross multiply
    912,379.68x = 1,258,490.76 × 585,174.40
  4. Step 4: Simplify right side
    912,379.68x = 736,436,575,388.54
  5. Step 5: Solve for x
    x = 736,436,575,388.54/912,379.68
  6. Step 6: Final answer
    x = 807,160.21

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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.