Home / 705,427.79-973,497.49-383,144.18

Finding the Fourth Proportional to 705,427.79, 973,497.49 and 383,144.18

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Solution

The fourth proportional to 705,427.79, 973,497.49 and 383,144.18 is: 528,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,427.79 : 973,497.49 = 383,144.18 : x
  2. Step 2: Convert to fraction form
    705,427.79/973,497.49 = 383,144.18/x
  3. Step 3: Cross multiply
    705,427.79x = 973,497.49 × 383,144.18
  4. Step 4: Simplify right side
    705,427.79x = 372,989,891,712.76
  5. Step 5: Solve for x
    x = 372,989,891,712.76/705,427.79
  6. Step 6: Final answer
    x = 528,742.84

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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.