Home / 705,415.03-973,456.72-383,118.19

Finding the Fourth Proportional to 705,415.03, 973,456.72 and 383,118.19

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Solution

The fourth proportional to 705,415.03, 973,456.72 and 383,118.19 is: 528,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,415.03 : 973,456.72 = 383,118.19 : x
  2. Step 2: Convert to fraction form
    705,415.03/973,456.72 = 383,118.19/x
  3. Step 3: Cross multiply
    705,415.03x = 973,456.72 × 383,118.19
  4. Step 4: Simplify right side
    705,415.03x = 372,948,973,218.30
  5. Step 5: Solve for x
    x = 372,948,973,218.30/705,415.03
  6. Step 6: Final answer
    x = 528,694.40

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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.