Home / 432,210.61-595,736.80-288,918.37

Finding the Fourth Proportional to 432,210.61, 595,736.80 and 288,918.37

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Solution

The fourth proportional to 432,210.61, 595,736.80 and 288,918.37 is: 398,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,210.61 : 595,736.80 = 288,918.37 : x
  2. Step 2: Convert to fraction form
    432,210.61/595,736.80 = 288,918.37/x
  3. Step 3: Cross multiply
    432,210.61x = 595,736.80 × 288,918.37
  4. Step 4: Simplify right side
    432,210.61x = 172,119,305,205.02
  5. Step 5: Solve for x
    x = 172,119,305,205.02/432,210.61
  6. Step 6: Final answer
    x = 398,230.17

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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.