Home / 924,828.48-1,387,242.72-259,980.48

Finding the Fourth Proportional to 924,828.48, 1,387,242.72 and 259,980.48

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Solution

The fourth proportional to 924,828.48, 1,387,242.72 and 259,980.48 is: 389,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,828.48 : 1,387,242.72 = 259,980.48 : x
  2. Step 2: Convert to fraction form
    924,828.48/1,387,242.72 = 259,980.48/x
  3. Step 3: Cross multiply
    924,828.48x = 1,387,242.72 × 259,980.48
  4. Step 4: Simplify right side
    924,828.48x = 360,656,028,222.11
  5. Step 5: Solve for x
    x = 360,656,028,222.11/924,828.48
  6. Step 6: Final answer
    x = 389,970.72

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.