Home / 611,952.16-917,928.09-191,228.05

Finding the Fourth Proportional to 611,952.16, 917,928.09 and 191,228.05

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Solution

The fourth proportional to 611,952.16, 917,928.09 and 191,228.05 is: 286,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,952.16 : 917,928.09 = 191,228.05 : x
  2. Step 2: Convert to fraction form
    611,952.16/917,928.09 = 191,228.05/x
  3. Step 3: Cross multiply
    611,952.16x = 917,928.09 × 191,228.05
  4. Step 4: Simplify right side
    611,952.16x = 175,533,598,690.92
  5. Step 5: Solve for x
    x = 175,533,598,690.92/611,952.16
  6. Step 6: Final answer
    x = 286,842.03

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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.