Home / 705,353.12-973,387.06-383,063.32

Finding the Fourth Proportional to 705,353.12, 973,387.06 and 383,063.32

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Solution

The fourth proportional to 705,353.12, 973,387.06 and 383,063.32 is: 528,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,353.12 : 973,387.06 = 383,063.32 : x
  2. Step 2: Convert to fraction form
    705,353.12/973,387.06 = 383,063.32/x
  3. Step 3: Cross multiply
    705,353.12x = 973,387.06 × 383,063.32
  4. Step 4: Simplify right side
    705,353.12x = 372,868,878,848.64
  5. Step 5: Solve for x
    x = 372,868,878,848.64/705,353.12
  6. Step 6: Final answer
    x = 528,627.25

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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.