Home / 418,206.16-577,105.69-236,914.39

Finding the Fourth Proportional to 418,206.16, 577,105.69 and 236,914.39

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Solution

The fourth proportional to 418,206.16, 577,105.69 and 236,914.39 is: 326,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,206.16 : 577,105.69 = 236,914.39 : x
  2. Step 2: Convert to fraction form
    418,206.16/577,105.69 = 236,914.39/x
  3. Step 3: Cross multiply
    418,206.16x = 577,105.69 × 236,914.39
  4. Step 4: Simplify right side
    418,206.16x = 136,724,639,172.65
  5. Step 5: Solve for x
    x = 136,724,639,172.65/418,206.16
  6. Step 6: Final answer
    x = 326,931.20

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1.5x scale

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.