Home / 611,975.10-917,963.37-191,253.18

Finding the Fourth Proportional to 611,975.10, 917,963.37 and 191,253.18

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Solution

The fourth proportional to 611,975.10, 917,963.37 and 191,253.18 is: 286,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,975.10 : 917,963.37 = 191,253.18 : x
  2. Step 2: Convert to fraction form
    611,975.10/917,963.37 = 191,253.18/x
  3. Step 3: Cross multiply
    611,975.10x = 917,963.37 × 191,253.18
  4. Step 4: Simplify right side
    611,975.10x = 175,563,413,636.02
  5. Step 5: Solve for x
    x = 175,563,413,636.02/611,975.10
  6. Step 6: Final answer
    x = 286,880.00

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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.