Home / 926,327.70-1,278,354.93-518,426.34

Finding the Fourth Proportional to 926,327.70, 1,278,354.93 and 518,426.34

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Solution

The fourth proportional to 926,327.70, 1,278,354.93 and 518,426.34 is: 715,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,327.70 : 1,278,354.93 = 518,426.34 : x
  2. Step 2: Convert to fraction form
    926,327.70/1,278,354.93 = 518,426.34/x
  3. Step 3: Cross multiply
    926,327.70x = 1,278,354.93 × 518,426.34
  4. Step 4: Simplify right side
    926,327.70x = 662,732,867,580.86
  5. Step 5: Solve for x
    x = 662,732,867,580.86/926,327.70
  6. Step 6: Final answer
    x = 715,441.06

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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.