Home / 1,142,416.14-1,576,551.54-626,165.88

Finding the Fourth Proportional to 1,142,416.14, 1,576,551.54 and 626,165.88

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Solution

The fourth proportional to 1,142,416.14, 1,576,551.54 and 626,165.88 is: 864,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,416.14 : 1,576,551.54 = 626,165.88 : x
  2. Step 2: Convert to fraction form
    1,142,416.14/1,576,551.54 = 626,165.88/x
  3. Step 3: Cross multiply
    1,142,416.14x = 1,576,551.54 × 626,165.88
  4. Step 4: Simplify right side
    1,142,416.14x = 987,182,782,409.46
  5. Step 5: Solve for x
    x = 987,182,782,409.46/1,142,416.14
  6. Step 6: Final answer
    x = 864,118.38

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1.5x scale

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.