Home / 705,381.31-973,435.07-383,096.79

Finding the Fourth Proportional to 705,381.31, 973,435.07 and 383,096.79

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Solution

The fourth proportional to 705,381.31, 973,435.07 and 383,096.79 is: 528,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,381.31 : 973,435.07 = 383,096.79 : x
  2. Step 2: Convert to fraction form
    705,381.31/973,435.07 = 383,096.79/x
  3. Step 3: Cross multiply
    705,381.31x = 973,435.07 × 383,096.79
  4. Step 4: Simplify right side
    705,381.31x = 372,919,849,393.25
  5. Step 5: Solve for x
    x = 372,919,849,393.25/705,381.31
  6. Step 6: Final answer
    x = 528,678.38

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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.