Home / 705,520.35-973,636.20-383,248.89

Finding the Fourth Proportional to 705,520.35, 973,636.20 and 383,248.89

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Solution

The fourth proportional to 705,520.35, 973,636.20 and 383,248.89 is: 528,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,520.35 : 973,636.20 = 383,248.89 : x
  2. Step 2: Convert to fraction form
    705,520.35/973,636.20 = 383,248.89/x
  3. Step 3: Cross multiply
    705,520.35x = 973,636.20 × 383,248.89
  4. Step 4: Simplify right side
    705,520.35x = 373,144,992,913.82
  5. Step 5: Solve for x
    x = 373,144,992,913.82/705,520.35
  6. Step 6: Final answer
    x = 528,893.31

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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.