Home / 418,158.45-577,070.50-236,870.33

Finding the Fourth Proportional to 418,158.45, 577,070.50 and 236,870.33

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Solution

The fourth proportional to 418,158.45, 577,070.50 and 236,870.33 is: 326,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,158.45 : 577,070.50 = 236,870.33 : x
  2. Step 2: Convert to fraction form
    418,158.45/577,070.50 = 236,870.33/x
  3. Step 3: Cross multiply
    418,158.45x = 577,070.50 × 236,870.33
  4. Step 4: Simplify right side
    418,158.45x = 136,690,880,618.77
  5. Step 5: Solve for x
    x = 136,690,880,618.77/418,158.45
  6. Step 6: Final answer
    x = 326,887.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.