Home / 705,664.89-973,812.35-383,377.63

Finding the Fourth Proportional to 705,664.89, 973,812.35 and 383,377.63

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Solution

The fourth proportional to 705,664.89, 973,812.35 and 383,377.63 is: 529,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,664.89 : 973,812.35 = 383,377.63 : x
  2. Step 2: Convert to fraction form
    705,664.89/973,812.35 = 383,377.63/x
  3. Step 3: Cross multiply
    705,664.89x = 973,812.35 × 383,377.63
  4. Step 4: Simplify right side
    705,664.89x = 373,337,870,807.73
  5. Step 5: Solve for x
    x = 373,337,870,807.73/705,664.89
  6. Step 6: Final answer
    x = 529,058.31

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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.