Home / 1,232,987.20-1,849,112.16-641,688.64

Finding the Fourth Proportional to 1,232,987.20, 1,849,112.16 and 641,688.64

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Solution

The fourth proportional to 1,232,987.20, 1,849,112.16 and 641,688.64 is: 962,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,987.20 : 1,849,112.16 = 641,688.64 : x
  2. Step 2: Convert to fraction form
    1,232,987.20/1,849,112.16 = 641,688.64/x
  3. Step 3: Cross multiply
    1,232,987.20x = 1,849,112.16 × 641,688.64
  4. Step 4: Simplify right side
    1,232,987.20x = 1,186,554,267,157.86
  5. Step 5: Solve for x
    x = 1,186,554,267,157.86/1,232,987.20
  6. Step 6: Final answer
    x = 962,341.11

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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.