Home / 402,701.08-604,055.20-122,218.28

Finding the Fourth Proportional to 402,701.08, 604,055.20 and 122,218.28

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Solution

The fourth proportional to 402,701.08, 604,055.20 and 122,218.28 is: 183,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,701.08 : 604,055.20 = 122,218.28 : x
  2. Step 2: Convert to fraction form
    402,701.08/604,055.20 = 122,218.28/x
  3. Step 3: Cross multiply
    402,701.08x = 604,055.20 × 122,218.28
  4. Step 4: Simplify right side
    402,701.08x = 73,826,587,569.06
  5. Step 5: Solve for x
    x = 73,826,587,569.06/402,701.08
  6. Step 6: Final answer
    x = 183,328.51

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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.