Home / 611,578.02-917,376.60-185,118.51

Finding the Fourth Proportional to 611,578.02, 917,376.60 and 185,118.51

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Solution

The fourth proportional to 611,578.02, 917,376.60 and 185,118.51 is: 277,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,578.02 : 917,376.60 = 185,118.51 : x
  2. Step 2: Convert to fraction form
    611,578.02/917,376.60 = 185,118.51/x
  3. Step 3: Cross multiply
    611,578.02x = 917,376.60 × 185,118.51
  4. Step 4: Simplify right side
    611,578.02x = 169,823,389,300.87
  5. Step 5: Solve for x
    x = 169,823,389,300.87/611,578.02
  6. Step 6: Final answer
    x = 277,680.66

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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.