Home / 657,730.36-986,623.08-208,441.36

Finding the Fourth Proportional to 657,730.36, 986,623.08 and 208,441.36

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Solution

The fourth proportional to 657,730.36, 986,623.08 and 208,441.36 is: 312,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,730.36 : 986,623.08 = 208,441.36 : x
  2. Step 2: Convert to fraction form
    657,730.36/986,623.08 = 208,441.36/x
  3. Step 3: Cross multiply
    657,730.36x = 986,623.08 × 208,441.36
  4. Step 4: Simplify right side
    657,730.36x = 205,653,056,602.59
  5. Step 5: Solve for x
    x = 205,653,056,602.59/657,730.36
  6. Step 6: Final answer
    x = 312,670.77

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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.