Home / 1,186,225.05-1,778,969.56-427,967.94

Finding the Fourth Proportional to 1,186,225.05, 1,778,969.56 and 427,967.94

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Solution

The fourth proportional to 1,186,225.05, 1,778,969.56 and 427,967.94 is: 641,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,225.05 : 1,778,969.56 = 427,967.94 : x
  2. Step 2: Convert to fraction form
    1,186,225.05/1,778,969.56 = 427,967.94/x
  3. Step 3: Cross multiply
    1,186,225.05x = 1,778,969.56 × 427,967.94
  4. Step 4: Simplify right side
    1,186,225.05x = 761,341,937,915.91
  5. Step 5: Solve for x
    x = 761,341,937,915.91/1,186,225.05
  6. Step 6: Final answer
    x = 641,819.14

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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.