Home / 1,246,518.54-1,869,113.07-646,875.90

Finding the Fourth Proportional to 1,246,518.54, 1,869,113.07 and 646,875.90

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Solution

The fourth proportional to 1,246,518.54, 1,869,113.07 and 646,875.90 is: 969,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,518.54 : 1,869,113.07 = 646,875.90 : x
  2. Step 2: Convert to fraction form
    1,246,518.54/1,869,113.07 = 646,875.90/x
  3. Step 3: Cross multiply
    1,246,518.54x = 1,869,113.07 × 646,875.90
  4. Step 4: Simplify right side
    1,246,518.54x = 1,209,084,199,358.01
  5. Step 5: Solve for x
    x = 1,209,084,199,358.01/1,246,518.54
  6. Step 6: Final answer
    x = 969,968.89

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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.