Home / 915,174.70-1,262,513.91-575,830.06

Finding the Fourth Proportional to 915,174.70, 1,262,513.91 and 575,830.06

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Solution

The fourth proportional to 915,174.70, 1,262,513.91 and 575,830.06 is: 794,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,174.70 : 1,262,513.91 = 575,830.06 : x
  2. Step 2: Convert to fraction form
    915,174.70/1,262,513.91 = 575,830.06/x
  3. Step 3: Cross multiply
    915,174.70x = 1,262,513.91 × 575,830.06
  4. Step 4: Simplify right side
    915,174.70x = 726,993,454,233.57
  5. Step 5: Solve for x
    x = 726,993,454,233.57/915,174.70
  6. Step 6: Final answer
    x = 794,376.70

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1.5x scale

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.