Home / 688,016.22-949,376.41-382,051.00

Finding the Fourth Proportional to 688,016.22, 949,376.41 and 382,051.00

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Solution

The fourth proportional to 688,016.22, 949,376.41 and 382,051.00 is: 527,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,016.22 : 949,376.41 = 382,051.00 : x
  2. Step 2: Convert to fraction form
    688,016.22/949,376.41 = 382,051.00/x
  3. Step 3: Cross multiply
    688,016.22x = 949,376.41 × 382,051.00
  4. Step 4: Simplify right side
    688,016.22x = 362,710,209,811.63
  5. Step 5: Solve for x
    x = 362,710,209,811.63/688,016.22
  6. Step 6: Final answer
    x = 527,182.64

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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.