Home / 504,865.48-696,590.10-308,582.28

Finding the Fourth Proportional to 504,865.48, 696,590.10 and 308,582.28

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Solution

The fourth proportional to 504,865.48, 696,590.10 and 308,582.28 is: 425,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,865.48 : 696,590.10 = 308,582.28 : x
  2. Step 2: Convert to fraction form
    504,865.48/696,590.10 = 308,582.28/x
  3. Step 3: Cross multiply
    504,865.48x = 696,590.10 × 308,582.28
  4. Step 4: Simplify right side
    504,865.48x = 214,955,361,283.43
  5. Step 5: Solve for x
    x = 214,955,361,283.43/504,865.48
  6. Step 6: Final answer
    x = 425,767.60

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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.