Home / 1,243,460.30-1,711,829.97-1,186,330.40

Finding the Fourth Proportional to 1,243,460.30, 1,711,829.97 and 1,186,330.40

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Solution

The fourth proportional to 1,243,460.30, 1,711,829.97 and 1,186,330.40 is: 1,633,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,460.30 : 1,711,829.97 = 1,186,330.40 : x
  2. Step 2: Convert to fraction form
    1,243,460.30/1,711,829.97 = 1,186,330.40/x
  3. Step 3: Cross multiply
    1,243,460.30x = 1,711,829.97 × 1,186,330.40
  4. Step 4: Simplify right side
    1,243,460.30x = 2,030,795,924,482.94
  5. Step 5: Solve for x
    x = 2,030,795,924,482.94/1,243,460.30
  6. Step 6: Final answer
    x = 1,633,181.16

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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.