Home / 658,784.20-988,192.70-185,466.37

Finding the Fourth Proportional to 658,784.20, 988,192.70 and 185,466.37

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Solution

The fourth proportional to 658,784.20, 988,192.70 and 185,466.37 is: 278,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,784.20 : 988,192.70 = 185,466.37 : x
  2. Step 2: Convert to fraction form
    658,784.20/988,192.70 = 185,466.37/x
  3. Step 3: Cross multiply
    658,784.20x = 988,192.70 × 185,466.37
  4. Step 4: Simplify right side
    658,784.20x = 183,276,513,393.17
  5. Step 5: Solve for x
    x = 183,276,513,393.17/658,784.20
  6. Step 6: Final answer
    x = 278,204.17

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1.5x scale

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.