Home / 389,055.69-536,895.77-216,973.85

Finding the Fourth Proportional to 389,055.69, 536,895.77 and 216,973.85

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Solution

The fourth proportional to 389,055.69, 536,895.77 and 216,973.85 is: 299,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,055.69 : 536,895.77 = 216,973.85 : x
  2. Step 2: Convert to fraction form
    389,055.69/536,895.77 = 216,973.85/x
  3. Step 3: Cross multiply
    389,055.69x = 536,895.77 × 216,973.85
  4. Step 4: Simplify right side
    389,055.69x = 116,492,338,496.27
  5. Step 5: Solve for x
    x = 116,492,338,496.27/389,055.69
  6. Step 6: Final answer
    x = 299,423.30

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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.