Home / 926,828.12-1,279,042.26-524,420.12

Finding the Fourth Proportional to 926,828.12, 1,279,042.26 and 524,420.12

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Solution

The fourth proportional to 926,828.12, 1,279,042.26 and 524,420.12 is: 723,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,828.12 : 1,279,042.26 = 524,420.12 : x
  2. Step 2: Convert to fraction form
    926,828.12/1,279,042.26 = 524,420.12/x
  3. Step 3: Cross multiply
    926,828.12x = 1,279,042.26 × 524,420.12
  4. Step 4: Simplify right side
    926,828.12x = 670,755,495,474.27
  5. Step 5: Solve for x
    x = 670,755,495,474.27/926,828.12
  6. Step 6: Final answer
    x = 723,710.77

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Double scale
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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.